For every good dress that Jack sold, Jack earned $14. He sold defective dresses at a discount, which would cause him to lose $5 per defective dress. In February, for every 21 dresses sold, 6 were defective. Jack earned $360 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 |
15 u |
6 u |
|
Value |
+ 14 |
- 5 |
|
Total Value |
210 u |
- 30 u |
$360 |
(a)
Amount that Jack earned
= 210 u - 30 u
= 180 u
180 u = 360
1 u = 360 ÷ 180 = 2
Number of less dresses sold that were defective than good
= 15 u - 6 u
= 9 u
= 9 x 2
= 18
(b)
Number of defective dresses
= 6 u
= 6 x 2
= 12
Less amount earned for one defective jacket
= 14 + 5
= $19
Less amount earned because of all the defective dresses
= 12 x 19
= $228
Answer(s): (a) 18; (b) $228