PSLE
A fruit stall sold kiwis at 60¢ and apples at 30¢ each. Abi bought some kiwis and Kathy bought some apples from the stall. Kathy spent $1.80 less than Abi, but had 3 fruits more than Abi.

1. How many apples did Kathy buy?
2. How much did Abi spend on the kiwis?

	Kiwis	Apples
Number	1 u	1 u + 3
Value	0.6	0.3
Total value	0.6 u	0.3 u + 0.9

(a)
Number of kiwis that Abi bought = 1 u
Number of apples that Kathy bought = 1 u + 3

Amount that Abi paid = 0.6 x 1 u = 0.6 u
Amount that Kathy paid = 0.3(1 u + 3) = 0.3 u + 0.9

If Kathy spent another $1.80, both Kathy and Abi would spend the same amount.

0.6 u = 0.3 u + 0.9 + 1.8
0.6 u - 0.3 u = 0.9 + 1.8
0.3 u = 2.7

1 u = 2.7 ÷ 0.3 = 9

Number of apples that Kathy bought
= 1 u + 3
= 9 + 3
= 12

(b)
Amount that Abi spent on the kiwis
= 0.6 u 
= 0.6 x 9 
= $5.40

Answer(s): (a) 9; (b) $5.40