1. Lisa, Mei and Nurul shared $n. Nurul received 4 times as much money as Lisa. Mei received $24 less than Nurul.
(a) How much money did Lisa receive in terms of n?
(b) If n = 93, how much money did Lisa receive?
2. Mr Ong earns the same amount of money each month. In May, he spent $2000 and saved the rest. In June, he spent 10% more and the amount saved decreased by 25%.
(a) How much more did Mr Ong spend in June?
(b) How much does Mr Ong earn each month?
3. Coen has 252 candies. Devi has 304 candies and Rashid has 182 candies. What is the total number of candies that Rashid must receive from Coen and Devi so that each of them will have the same number of candies?
4. Tarts are sold in boxes of 4 tarts or in boxes of 12 tarts. Each box of 4 tarts is sold at $10.90 while each box of 12 tarts is sold at $32. Melissa has $250. How many tarts can she buy at most?
5. The figure below shows Rectangle A of length 18 cm and breadth 10 cm. The length of the rectangle is increased by 50% and its breadth is increased by 20% to form a new rectangle. What is the percentage increase in area?
6. Hassan bought some keychains and some magnets. Each keychain cost $2.65 and each magnet cost $3.35. Hassan bought 7 fewer magnets than keychains. He spent a total of $108.55. How many keychains and magnets did he buy altogether?
7. There were two types of fish in a pond. The number of catfish was 3/7 of the number of goldfish. When 21 goldfish and some catfish were added into the pond, there were 15% increase in the number of goldfish and the number of fish in the pond was increased by 35%.
(a) How many catfish were there at first?
(b) How many catfish were added into the pond?