For every good dress that Eric sold, Eric earned $15. He sold defective dresses at a discount, which would cause him to lose $5 per defective dress. In February, for every 22 dresses sold, 6 were defective. Eric earned $1680 from the dresses sold.
- How many less dresses sold were defective than good?
- How much less money did he earn because of the defective dresses?
|
Good |
Defective |
Total |
Number |
16 u |
6 u |
|
Value |
+ 15 |
- 5 |
|
Total Value |
240 u |
- 30 u |
$1680 |
(a)
Amount that Eric earned
= 240 u - 30 u
= 210 u
210 u = 1680
1 u = 1680 ÷ 210 = 8
Number of less dresses sold that were defective than good
= 16 u - 6 u
= 10 u
= 10 x 8
= 80
(b)
Number of defective dresses
= 6 u
= 6 x 8
= 48
Less amount earned for one defective jacket
= 15 + 5
= $20
Less amount earned because of all the defective dresses
= 48 x 20
= $960
Answer(s): (a) 80; (b) $960