For every good jumpsuit that Mark sold, Mark earned $19. He sold defective jumpsuits at a discount, which would cause him to lose $2 per defective jumpsuit. In June, for every 23 jumpsuits sold, 5 were defective. Mark earned $1992 from the jumpsuits sold.
- How many more jumpsuits sold were good than defective?
- How much less money did he earn because of the defective jumpsuits?
|
Good |
Defective |
Total |
Number |
18 u |
5 u |
|
Value |
+ 19 |
- 2 |
|
Total Value |
342 u |
- 10 u |
$1992 |
(a)
Amount that Mark earned
= 342 u - 10 u
= 332 u
332 u = 1992
1 u = 1992 ÷ 332 = 6
Number of more jumpsuits sold that were good than defective
= 18 u - 5 u
= 13 u
= 13 x 6
= 78
(b)
Number of defective jumpsuits
= 5 u
= 5 x 6
= 30
Less amount earned for one defective jacket
= 19 + 2
= $21
Less amount earned because of all the defective jumpsuits
= 30 x 21
= $630
Answer(s): (a) 78; (b) $630