During her shopping trip, Nora bought three different types of pens, G, H and J in the ratio of 5 : 2 : 8. She decided to sell them at the prices listed as shown.
Pen G : $2.40
Pen H : $10
Pen J : $0.50
Given that Nora bought a total 570 pens, how much did Nora collect from the sale of all the pens?
|
Pen G |
Pen H |
Pen J |
Total |
Ratio of pen |
5 u |
2 u |
8 u |
15 u |
Value of each pen |
$2.40 |
$10 |
$0.50 |
|
15 u = 570
1 u = 570 ÷ 15 = 38
Number of Pen G
= 5 x 38
= 190
Number of Pen H
= 2 x 38
= 76
Number of Pen J
= 8 x 38
= 304
Total revenue
= 190 x 2.40 + 76 x 10 + 304 x 0.50
= 456.00 + 760.00 + 152.00
= $1368.00
Answer(s): $1368.00