During her shopping trip, Winnie bought three different types of markers, W, X and Y in the ratio of 4 : 3 : 9. She decided to sell them at the prices listed as shown.
Marker W : $2.80
Marker X : $0.80
Marker Y : $0.50
Given that Winnie bought a total 464 markers, how much did Winnie collect from the sale of all the markers?
|
Marker W |
Marker X |
Marker Y |
Total |
Ratio of marker |
4 u |
3 u |
9 u |
16 u |
Value of each marker |
$2.80 |
$0.80 |
$0.50 |
|
16 u = 464
1 u = 464 ÷ 16 = 29
Number of Marker W
= 4 x 29
= 116
Number of Marker X
= 3 x 29
= 87
Number of Marker Y
= 9 x 29
= 261
Total revenue
= 116 x 2.80 + 87 x 0.80 + 261 x 0.50
= 324.80 + 69.60 + 130.50
= $524.90
Answer(s): $524.90