Question:

Find the product of 5q and 9r.

1 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?

2 m
Find the value of 5a - 9b^{2} + 3c when a = 10, b = 2 and c = 12.

2 m
PSLE

Andy had 1.4 m of wire. He used some of it to make the figure as shown.

2 m
Andy had 1.4 m of wire. He used some of it to make the figure as shown.

- How much of the wire did Andy use to make the figure? Leave your answer in the simplest form in terms of x.
- If x = 15, how much of the wire was not used to make the figure? Leave your answer in metres.

Gary weighs x kg while Jim weighs 2y kg.

2 m
- Find the average mass of each boy in terms of x and y.
- If x = 47 and y = 19, find the average mass of each boy.