A rectangle has a length of 6p cm and a breadth of 4q cm. Find
1. its area in terms of p and q,
2. its perimeter in terms of p and q,
3. the area of the rectangle if p = 2 and q = 3.
4 m
Tom has $a. Randy has$2m more than Tom. Wayne has $3n less than Randy. 1. Find the amount of money Wayne has in terms of x, m and n. 2. Find the total amount of money the three boys have in terms of x, m and n. 3. If a= 20, m = 7 and n = 8, how much does Wayne have? 3 m Margaret bought c kg of mangoes at$k per kg and w kg of papaya at $y per kg. 1. Find the amount she paid for the fruits in terms of c, k, w and y. 2. If c = 8, k = 7, w = 5 and y = 4, how much change did Mrs Lim receive if she paid the fruit seller with a$100 note?
3 m
A van travels 20 km in 5r minutes. How far will it travel in k hours?
3 m
1. Simplify 16d + 9c - 9d - 2c.
2. Subtract 11z + 9w + 8q from 19z + 13q + 25w.
3 m
Gary weighs x kg while Jim weighs 2y kg.
1. Find the average mass of each boy in terms of x and y.
2. If x = 47 and y = 19, find the average mass of each boy.
2 m
Find the value of 5a - 9b2 + 3c when a = 10, b = 2 and c = 12.
2 m
Lina bought 5 plates and 8 bowls One plate is $3b each and 1 bowl is$2n each. How much did she pay for them?
1 m
Find the product of 5q and 9r.
1 m
PSLE
Andy had 1.4 m of wire. He used some of it to make the figure as shown.
1. How much of the wire did Andy use to make the figure? Leave your answer in the simplest form in terms of x.
2. If x = 15, how much of the wire was not used to make the figure? Leave your answer in metres.
2 m