During her shopping trip, Min bought three different types of pens, E, F and G in the ratio of 5 : 2 : 7. She decided to sell them at the prices listed as shown.
Pen E : $2.95
Pen F : $10
Pen G : $0.40
Given that Min bought a total 476 pens, how much did Min collect from the sale of all the pens?
|
Pen E |
Pen F |
Pen G |
Total |
Ratio of pen |
5 u |
2 u |
7 u |
14 u |
Value of each pen |
$2.95 |
$10 |
$0.40 |
|
14 u = 476
1 u = 476 ÷ 14 = 34
Number of Pen E
= 5 x 34
= 170
Number of Pen F
= 2 x 34
= 68
Number of Pen G
= 7 x 34
= 238
Total revenue
= 170 x 2.95 + 68 x 10 + 238 x 0.40
= 501.50 + 680.00 + 95.20
= $1276.70
Answer(s): $1276.70