100% found this document useful (1 vote)
1K views4 pages

16 (B) Algebra (Word Problems)

1. This document provides 20 word problems involving algebra. Each problem is followed by the number of marks allocated and the solution. The problems cover a range of algebraic skills including writing equations, solving simultaneous equations, factorizing quadratic equations, and solving word problems algebraically. 2. The problems involve variables such as cost, number of items, weight/volume. Students must set up the relevant equations based on the information given, then solve the equations algebraically to find the value of variables. 3. Many problems involve two or more steps, such as writing an equation, factorizing, and solving in order to find the final value requested by the question. The level of detail and multiple steps involved in solving makes these

Uploaded by

Ali Halawi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
100% found this document useful (1 vote)
1K views4 pages

16 (B) Algebra (Word Problems)

1. This document provides 20 word problems involving algebra. Each problem is followed by the number of marks allocated and the solution. The problems cover a range of algebraic skills including writing equations, solving simultaneous equations, factorizing quadratic equations, and solving word problems algebraically. 2. The problems involve variables such as cost, number of items, weight/volume. Students must set up the relevant equations based on the information given, then solve the equations algebraically to find the value of variables. 3. Many problems involve two or more steps, such as writing an equation, factorizing, and solving in order to find the final value requested by the question. The level of detail and multiple steps involved in solving makes these

Uploaded by

Ali Halawi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
You are on page 1/ 4

Past Papers Worksheet Algebra (Word Problems) IGCSE Mathematics 0580

1. 𝓎 is 5 less than the square of the sum of p and q.


Write down a formula for y in terms of p and q. [2]
0580/42/M/J/10 Q8(a) 𝓎 = (p + q)2 - 5
2. The cost of a cup of tea is t cents.
The cost of a cup of coffee is (t + 5) cents.
The total cost of 7 cups of tea and 11 cups of coffee is 2215 cents.
Find the cost of one cup of tea [3]
0580/23/M/J/11 Q10) 120
3. Oranges cost 21 cents each.
Alex buys 𝓍 oranges and Bobbie buys (𝓍 + 2 ) oranges.
The total cost of these oranges is $4.20 .
Find the value of [3]
0580/41/O/N/19 Q7(a)9
4. Pavan saves $𝓍 each month.
His two brothers each save $4 more than Pavan each month.
Altogether the three boys save $26 each month.
(a) Write down an equation in 𝓍. [1]
(b) Solve your equation to find the amount Pavan saves each month. [2]
0580/22/F/M/15 Q10)(a) 𝓍 + 𝓍 + 4 + 𝓍 + 4 = 26 (b)6
5. At a football match, the price of an adult ticket is $𝓍 and the price of a child ticket is $ (𝓍 – 2.5) .
There are 18500 adults and 2400 children attending the football match.
The total amount paid for the tickets is $320040.
Find the price of an adult ticket. [4]
0580/43/M/J/18 Q5(a) 15.6
6. The cost of a loaf of bread is 𝓍 cents.
The cost of a cake is (𝓍 – 5) cents.
The total cost of 6 loaves of bread and 11 cakes is $13.56 .
Find the value of 𝓍 [4]
0580/43/O/N/15 Q7(a) 83
7. The cost of a bottle of juice is 5 cents more than the cost of a bottle of water.
Mohini buys 3 bottles of water and 6 bottles of juice.
The total cost is $5.25.
Find the cost of a bottle of water.
Give your answer in cents. [4]
0580/43/O/N/11 Q5(a) 55
8. The cost of a bottle of water is (w – 1) cents.
The cost of a bottle of milk is (2w – 11) cents.
A certain number of bottles of water costs $4.80 .
The same number of bottles of milk costs $7.80 .
Find the value of w. [4]
0580/43/O/N/15 Q7(c)25
9. Marcos buys 2 bottles of water and 3 bottles of lemonade.
The total cost is $3.60.
The cost of one bottle of lemonade is $0.25 more than the cost of one bottle of water.
Find the cost of one bottle of water. [4]
0580/43/O/N/12 Q5(a) 0.57
10. Vanessa buys some books and some pencils.
Each book costs $12 more than each pencil.
The total cost of 5 books and 2 pencils is $64.20.
Find the cost of one pencil
0580/43/O/N/10 Q1(d) 0.6
11. Esme buys 𝓍 magazines at $2.45 each and 𝓎 cards at $3.15 each.
(a) Write down an expression, in terms of 𝓍 and 𝓎, for the total cost, in dollars, of the magazines
and the cards. [2]
(b) Esme spends $60.55 in total. She buys 8 magazines. How many cards does she buy? [2]
0580/22/O/N/19 Q15)(a) 2.45 𝓍 + 3.15𝓎 (b)13
12. The cost to hire a tent consists of two parts.

The total cost for 4 days is $27.10 and for 7 days is $34.30.
Write down two equations in c and d and solve them. [4]
0580/42/O/N/11 Q1(b) c + 4d = 27.10 , c + 7d = 34.30 , (c =) 17.5(0) and (d =) 2.4(0)
13. The area of shape ABCDEF is 24 cm2.

All lengths are in centimetres.


(i) Show that 5𝓍2+ 17𝓍 – 12 = 0 [3]
(ii)Solve, by factorising, the equation 5𝓍2+ 17𝓍 – 12 = 0
You must show all your working [4]
0580/42/O/N/15 Q5(a)(i) 4 𝓍(3 𝓍 +13)− 2𝓍(4𝓍 −{3𝓍 − 9}) = 24 (ii)3/5 , -4

14. The cost of one ruler is r cents.


The cost of one protractor is p cents.
The total cost of 5 rulers and 1 protractor is 245 cents.
The total cost of 2 rulers and 3 protractors is 215 cents.
Write down two equations in terms of r and p and solve these equations to find the cost of one
protractor. [5]
0580/41/O/N/19 Q7( (b) 5r + p = 245 , 2r + 3p = 215 , 45
15. The cost of 1 apple is a cents.
The cost of 1 pear is p cents.
The total cost of 7 apples and 9 pears is 354 cents.
(i) Write down an equation in terms of a and p. [1]
(ii) The cost of 1 pear is 2 cents more than the cost of 1 apple.
Find the value of a and the value of p [3]
0580/42/O/N/17 Q8(a) (i) 7a + 9p = 354 (ii) [a = ] 21, [p = ] 23
16. The cost of 1 kg of tomatoes is $𝓍 and the cost of 1 kg of onions is $y.
Ian pays a total of $10.70 for 10 kg of tomatoes and 4 kg of onions.
Jao pays a total of $10.10 for 8 kg of tomatoes and 6 kg of onions.
Write down simultaneous equations and solve them to find 𝓍 and y. [6]
0580/42/M/J/12 Q12(a) 𝓍 = 0.85, y = 0.55
17. The cost of a small bottle of juice is $y.
The cost of a large bottle of juice is $(y + 1).
When Catriona spends $36 on small bottles only, she receives 25 more bottles than when she
spends $36 on large bottles only
(i) Show that 25y2 + 25y - 36 = 0 . [3]
(ii) Factorise 25y2 + 25y - 36 [2]
(iii) Solve the equation 25y2 + 25y - 36 = 0 [1]
(iv) Find the total cost of 1 small bottle of juice and 1 large bottle of juice [1]
0580/43/M/J/12 Q10(b) (i) 36/y – 36/(y + 1)= 25 (ii) (5y + 9)(5y − 4) (iii) –1.8 oe, 0.8 (iv) 2.6
18. The cost of a biscuit is 𝓍 cents.
The cost of a cake is (𝓍 + 3) cents.
The number of biscuits Roshni can buy for 72 cents is 2 more than the number of cakes she can
buy for 72 cents.
(i) Show that 𝓍2 + 3𝓍 - 108 = 0. [3]
(ii) Solve the equation 𝓍2 + 3𝓍 - 108 = 0 [3]
(iii) Find the total cost of 2 biscuits and 1 cake. [1]
0580/43/O/N/11 Q5(b)(i)72 / 𝓍 – 72 / (𝓍 + 3) = 2 (ii) –12, 9 (iii)30
19. In a shop, the price of a monthly magazine is $m and the price of a weekly magazine is $ (m – 0.75) .
One day, the shop receives
• $168 from selling monthly magazines
• $207 from selling weekly magazines.
The total number of these magazines sold during this day is 100
(i) Show that 50m2 – 225m + 63 = 0. [3]
(ii) Find the price of a monthly magazine.
Show all your working. [3]
0580/43/M/J/18 Q5 (c) (i)168/m + 207/(m – 0.75) = 100 (ii)(10m- 3)(5m- 21)=0, 4.2
20. Paulo and Jim each buy sacks of rice but from different shops.
Paulo pays $72 for sacks costing $m each.
Jim pays $72 for sacks costing $(m + 0.9) each.
(a) (i) Find an expression, in terms of m, for the number of sacks Paulo buys. [1]
(ii) Find an expression, in terms of m, for the number of sacks Jim buys. [1]
(b) Paulo buys 4 more sacks than Jim.
Write down an equation, in terms of m, and show that it simplifies to 10m2 + 9m - 162 = 0 [4]
(c) (i) Solve 10m2 + 9m - 162 = 0 [4]
(ii) Find the number of sacks of rice that Paulo buys. [1]
0580/41/O/N/18 Q9) (a)(i) 72/m (ii)72/(m + 0.9) (b)72 / m - 72/ (m + 0.9)= 4 (c)(i) (2m + 9)(5m
−18) = 0, 3.6 and −4.5 (ii) 20

You might also like