In a shop, 70% of the number of vegetables sold were potatoes and the rest were onions. Each potato cost 25¢ and each onion cost 20¢ less than the cost of each potato. Given that $186.20 was collected from the sale of the vegetables,
- How many potatoes were sold?
- How much was collected from the sale of the onions only?
(a)
|
Potatoes |
Onions |
Number |
7 u |
3 u |
Value |
$0.25 |
$0.05 |
Total value |
1.75 u |
0.15 u |
70% =
70100 =
710Cost of each onion
= 0.25 - 0.20
= $0.05
Total cost of the vegetables
= 1.75 u + 0.15 u
= 1.9 u
1.9 u = 186.20
1 u = 186.20 ÷ 1.9 = 98
Number of potatoes sold
= 7 u
= 7 x 98
= $686
(b)
Amount collected from the sale of onions
= 0.15 u
= 0.15 x 98
= $14.70
Answer(s): (a) 686; (b) $14.70