In a supermarket, 60% of the number of vegetables sold were yams and the rest were sweet potatoes. Each yam cost 50¢ and each sweet potato cost 20¢ less than the cost of each yam. Given that $228.90 was collected from the sale of the vegetables,
- How many yams were sold?
- How much was collected from the sale of the sweet potatoes only?
(a)
|
Yams |
Sweet Potatoes |
Number |
3 u |
2 u |
Value |
$0.50 |
$0.3 |
Total value |
1.5 u |
0.6 u |
60% =
60100 =
35Cost of each sweet potato
= 0.50 - 0.20
= $0.3
Total cost of the vegetables
= 1.5 u + 0.6 u
= 2.1 u
2.1 u = 228.90
1 u = 228.90 ÷ 2.1 = 109
Number of yams sold
= 3 u
= 3 x 109
= $327
(b)
Amount collected from the sale of sweet potatoes
= 0.6 u
= 0.6 x 109
= $65.40
Answer(s): (a) 327; (b) $65.40