During her shopping trip, Linda bought three different types of pens, T, U and V in the ratio of 4 : 3 : 8. She decided to sell them at the prices listed as shown.
Pen T : $2.25
Pen U : $0.90
Pen V : $0.40
Given that Linda bought a total 525 pens, how much did Linda collect from the sale of all the pens?
|
Pen T |
Pen U |
Pen V |
Total |
Ratio of pen |
4 u |
3 u |
8 u |
15 u |
Value of each pen |
$2.25 |
$0.90 |
$0.40 |
|
15 u = 525
1 u = 525 ÷ 15 = 35
Number of Pen T
= 4 x 35
= 140
Number of Pen U
= 3 x 35
= 105
Number of Pen V
= 8 x 35
= 280
Total revenue
= 140 x 2.25 + 105 x 0.90 + 280 x 0.40
= 315.00 + 94.50 + 112.00
= $521.50
Answer(s): $521.50