For every good dress that Justin sold, Justin earned $23. He sold defective dresses at a discount, which would cause him to lose $4 per defective dress. In November, for every 29 dresses sold, 8 were defective. Justin earned $4059 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 |
21 u |
8 u |
|
Value |
+ 23 |
- 4 |
|
Total Value |
483 u |
- 32 u |
$4059 |
(a)
Amount that Justin earned
= 483 u - 32 u
= 451 u
451 u = 4059
1 u = 4059 ÷ 451 = 9
Number of less dresses sold that were defective than good
= 21 u - 8 u
= 13 u
= 13 x 9
= 117
(b)
Number of defective dresses
= 8 u
= 8 x 9
= 72
Less amount earned for one defective jacket
= 23 + 4
= $27
Less amount earned because of all the defective dresses
= 72 x 27
= $1944
Answer(s): (a) 117; (b) $1944