During her shopping trip, Emily bought three different types of markers, Z, A and B in the ratio of 6 : 2 : 7. She decided to sell them at the prices listed as shown.
Marker Z : $1.50
Marker A : $0.70
Marker B : $0.40
Given that Emily bought a total 540 markers, how much did Emily collect from the sale of all the markers?
|
Marker Z |
Marker A |
Marker B |
Total |
Ratio of marker |
6 u |
2 u |
7 u |
15 u |
Value of each marker |
$1.50 |
$0.70 |
$0.40 |
|
15 u = 540
1 u = 540 ÷ 15 = 36
Number of Marker Z
= 6 x 36
= 216
Number of Marker A
= 2 x 36
= 72
Number of Marker B
= 7 x 36
= 252
Total revenue
= 216 x 1.50 + 72 x 0.70 + 252 x 0.40
= 324.00 + 50.40 + 100.80
= $475.20
Answer(s): $475.20