Tom's shop sells coats and shirts. A coat is sold at $30 and a shirt is sold at
12 of the price of the coat. On Sunday, Tom sold
79 of the items in his shop and collected $1620.
57 of the items sold were coats. How many items were unsold after Sunday?
Price of the shirt
=
12 x 30
= $15
| |
Sold coats |
Sold shirts |
Unsold items |
Total |
| Number |
5 u |
2 u |
2 u |
9 u |
| Value |
$30 |
$15 |
|
|
| Total value |
150 u |
30 u |
|
|
Total amount collected from selling the coats and the shirts
= 150 u + 30 u
= 180 u
180 u = 1620
1 u = 1620 ÷ 180 = 9
Total number of items = 9 u
Number of items sold = 7 u
Number of items unsold
= 9 u - 7 u
= 2 u
= 2 x 9
= 18
Answer(s): 18
