During her shopping trip, Kimberly bought three different types of pens, W, X and Y in the ratio of 5 : 3 : 7. She decided to sell them at the prices listed as shown.
Pen W : $2.60
Pen X : $10
Pen Y : $0.30
Given that Kimberly bought a total 480 pens, how much did Kimberly collect from the sale of all the pens?
|
Pen W |
Pen X |
Pen Y |
Total |
Ratio of pen |
5 u |
3 u |
7 u |
15 u |
Value of each pen |
$2.60 |
$10 |
$0.30 |
|
15 u = 480
1 u = 480 ÷ 15 = 32
Number of Pen W
= 5 x 32
= 160
Number of Pen X
= 3 x 32
= 96
Number of Pen Y
= 7 x 32
= 224
Total revenue
= 160 x 2.60 + 96 x 10 + 224 x 0.30
= 416.00 + 960.00 + 67.20
= $1443.20
Answer(s): $1443.20