During her shopping trip, Hazel bought three different types of pens, D, E and F in the ratio of 4 : 3 : 8. She decided to sell them at the prices listed as shown.
Pen D : $2.40
Pen E : $0.90
Pen F : $0.50
Given that Hazel bought a total 600 pens, how much did Hazel collect from the sale of all the pens?
|
Pen D |
Pen E |
Pen F |
Total |
Ratio of pen |
4 u |
3 u |
8 u |
15 u |
Value of each pen |
$2.40 |
$0.90 |
$0.50 |
|
15 u = 600
1 u = 600 ÷ 15 = 40
Number of Pen D
= 4 x 40
= 160
Number of Pen E
= 3 x 40
= 120
Number of Pen F
= 8 x 40
= 320
Total revenue
= 160 x 2.40 + 120 x 0.90 + 320 x 0.50
= 384.00 + 108.00 + 160.00
= $652.00
Answer(s): $652.00