In a kiosk, 70% of the number of vegetables sold were sweet potatoes and the rest were potatoes. Each sweet potato cost 25¢ and each potato cost 10¢ less than the cost of each sweet potato. Given that $255.20 was collected from the sale of the vegetables,
- How many sweet potatoes were sold?
- How much was collected from the sale of the potatoes only?
(a)
|
Sweet Potatoes |
Potatoes |
Number |
7 u |
3 u |
Value |
$0.25 |
$0.15 |
Total value |
1.75 u |
0.45 u |
70% =
70100 =
710Cost of each potato
= 0.25 - 0.10
= $0.15
Total cost of the vegetables
= 1.75 u + 0.45 u
= 2.2 u
2.2 u = 255.20
1 u = 255.20 ÷ 2.2 = 116
Number of sweet potatoes sold
= 7 u
= 7 x 116
= $812
(b)
Amount collected from the sale of potatoes
= 0.45 u
= 0.45 x 116
= $52.20
Answer(s): (a) 812; (b) $52.20