PSLE
A fruit stall sold limes at 60¢ and dates at 30¢ each. Tiffany bought some limes and Emma bought some dates from the stall. Emma spent $0.30 less than Tiffany, but had 7 fruits more than Tiffany.

1. How many dates did Emma buy?
2. How much did Tiffany spend on the limes?

	Limes	Dates
Number	1 u	1 u + 7
Value	0.6	0.3
Total value	0.6 u	0.3 u + 2.1

(a)
Number of limes that Tiffany bought = 1 u
Number of dates that Emma bought = 1 u + 7

Amount that Tiffany paid = 0.6 x 1 u = 0.6 u
Amount that Emma paid = 0.3(1 u + 7) = 0.3 u + 2.1

If Emma spent another $0.30, both Emma and Tiffany would spend the same amount.

0.6 u = 0.3 u + 2.1 + 0.3
0.6 u - 0.3 u = 2.1 + 0.3
0.3 u = 2.4

1 u = 2.4 ÷ 0.3 = 8

Number of dates that Emma bought
= 1 u + 7
= 8 + 7
= 15

(b)
Amount that Tiffany spent on the limes
= 0.6 u 
= 0.6 x 8 
= $4.80

Answer(s): (a) 8; (b) $4.80