During her shopping trip, Yoko bought three different types of pencils, S, T and U in the ratio of 4 : 3 : 9. She decided to sell them at the prices listed as shown.
Pencil S : $2.80
Pencil T : $0.85
Pencil U : $0.50
Given that Yoko bought a total 592 pencils, how much did Yoko collect from the sale of all the pencils?
|
Pencil S |
Pencil T |
Pencil U |
Total |
Ratio of pencil |
4 u |
3 u |
9 u |
16 u |
Value of each pencil |
$2.80 |
$0.85 |
$0.50 |
|
16 u = 592
1 u = 592 ÷ 16 = 37
Number of Pencil S
= 4 x 37
= 148
Number of Pencil T
= 3 x 37
= 111
Number of Pencil U
= 9 x 37
= 333
Total revenue
= 148 x 2.80 + 111 x 0.85 + 333 x 0.50
= 414.40 + 94.35 + 166.50
= $675.25
Answer(s): $675.25