For every good sweater that David sold, David earned $19. He sold defective sweaters at a discount, which would cause him to lose $2 per defective sweater. In July, for every 24 sweaters sold, 7 were defective. David earned $1854 from the sweaters sold.
- How many less sweaters sold were defective than good?
- How much less money did he earn because of the defective sweaters?
|
Good |
Defective |
Total |
Number |
17 u |
7 u |
|
Value |
+ 19 |
- 2 |
|
Total Value |
323 u |
- 14 u |
$1854 |
(a)
Amount that David earned
= 323 u - 14 u
= 309 u
309 u = 1854
1 u = 1854 ÷ 309 = 6
Number of less sweaters sold that were defective than good
= 17 u - 7 u
= 10 u
= 10 x 6
= 60
(b)
Number of defective sweaters
= 7 u
= 7 x 6
= 42
Less amount earned for one defective jacket
= 19 + 2
= $21
Less amount earned because of all the defective sweaters
= 42 x 21
= $882
Answer(s): (a) 60; (b) $882