For every good vest that Ian sold, Ian earned $13. He sold defective vests at a discount, which would cause him to lose $4 per defective vest. In April, for every 29 vests sold, 7 were defective. Ian earned $1548 from the vests sold.
- How many more vests sold were good than defective?
- How much less money did he earn because of the defective vests?
|
Good |
Defective |
Total |
Number |
22 u |
7 u |
|
Value |
+ 13 |
- 4 |
|
Total Value |
286 u |
- 28 u |
$1548 |
(a)
Amount that Ian earned
= 286 u - 28 u
= 258 u
258 u = 1548
1 u = 1548 ÷ 258 = 6
Number of more vests sold that were good than defective
= 22 u - 7 u
= 15 u
= 15 x 6
= 90
(b)
Number of defective vests
= 7 u
= 7 x 6
= 42
Less amount earned for one defective jacket
= 13 + 4
= $17
Less amount earned because of all the defective vests
= 42 x 17
= $714
Answer(s): (a) 90; (b) $714