Justin's shop sells skirts and windbreakers. A skirt is sold at $24 and a windbreaker is sold at
23 of the price of the skirt. On Sunday, Justin sold
710 of the items in his shop and collected $640.
27 of the items sold were skirts. How many items were unsold after Sunday?
Price of the windbreaker
=
23 x 24
= $16
| |
Sold skirts |
Sold windbreakers |
Unsold items |
Total |
| Number |
2 u |
5 u |
3 u |
10 u |
| Value |
$24 |
$16 |
|
|
| Total value |
48 u |
80 u |
|
|
Total amount collected from selling the skirts and the windbreakers
= 48 u + 80 u
= 128 u
128 u = 640
1 u = 640 ÷ 128 = 5
Total number of items = 10 u
Number of items sold = 7 u
Number of items unsold
= 10 u - 7 u
= 3 u
= 3 x 5
= 15
Answer(s): 15
