During her shopping trip, Julie bought three different types of pencils, A, B and C in the ratio of 6 : 3 : 9. She decided to sell them at the prices listed as shown.
Pencil A : $1.70
Pencil B : $10
Pencil C : $0.50
Given that Julie bought a total 504 pencils, how much did Julie collect from the sale of all the pencils?
|
Pencil A |
Pencil B |
Pencil C |
Total |
Ratio of pencil |
6 u |
3 u |
9 u |
18 u |
Value of each pencil |
$1.70 |
$10 |
$0.50 |
|
18 u = 504
1 u = 504 ÷ 18 = 28
Number of Pencil A
= 6 x 28
= 168
Number of Pencil B
= 3 x 28
= 84
Number of Pencil C
= 9 x 28
= 252
Total revenue
= 168 x 1.70 + 84 x 10 + 252 x 0.50
= 285.60 + 840.00 + 126.00
= $1251.60
Answer(s): $1251.60