During her shopping trip, Sabrina bought three different types of pencils, R, S and T in the ratio of 4 : 2 : 8. She decided to sell them at the prices listed as shown.
Pencil R : $2.95
Pencil S : $0.90
Pencil T : $0.60
Given that Sabrina bought a total 532 pencils, how much did Sabrina collect from the sale of all the pencils?
|
Pencil R |
Pencil S |
Pencil T |
Total |
Ratio of pencil |
4 u |
2 u |
8 u |
14 u |
Value of each pencil |
$2.95 |
$0.90 |
$0.60 |
|
14 u = 532
1 u = 532 ÷ 14 = 38
Number of Pencil R
= 4 x 38
= 152
Number of Pencil S
= 2 x 38
= 76
Number of Pencil T
= 8 x 38
= 304
Total revenue
= 152 x 2.95 + 76 x 0.90 + 304 x 0.60
= 448.40 + 68.40 + 182.40
= $699.20
Answer(s): $699.20