During her shopping trip, Rachel bought three different types of pencils, U, V and W in the ratio of 6 : 2 : 7. She decided to sell them at the prices listed as shown.
Pencil U : $2.80
Pencil V : $0.70
Pencil W : $0.60
Given that Rachel bought a total 540 pencils, how much did Rachel collect from the sale of all the pencils?
|
Pencil U |
Pencil V |
Pencil W |
Total |
Ratio of pencil |
6 u |
2 u |
7 u |
15 u |
Value of each pencil |
$2.80 |
$0.70 |
$0.60 |
|
15 u = 540
1 u = 540 ÷ 15 = 36
Number of Pencil U
= 6 x 36
= 216
Number of Pencil V
= 2 x 36
= 72
Number of Pencil W
= 7 x 36
= 252
Total revenue
= 216 x 2.80 + 72 x 0.70 + 252 x 0.60
= 604.80 + 50.40 + 151.20
= $806.40
Answer(s): $806.40