During her shopping trip, Winnie bought three different types of markers, J, K and L in the ratio of 4 : 2 : 8. She decided to sell them at the prices listed as shown.
Marker J : $1.80
Marker K : $0.80
Marker L : $0.50
Given that Winnie bought a total 518 markers, how much did Winnie collect from the sale of all the markers?
|
Marker J |
Marker K |
Marker L |
Total |
Ratio of marker |
4 u |
2 u |
8 u |
14 u |
Value of each marker |
$1.80 |
$0.80 |
$0.50 |
|
14 u = 518
1 u = 518 ÷ 14 = 37
Number of Marker J
= 4 x 37
= 148
Number of Marker K
= 2 x 37
= 74
Number of Marker L
= 8 x 37
= 296
Total revenue
= 148 x 1.80 + 74 x 0.80 + 296 x 0.50
= 266.40 + 59.20 + 148.00
= $473.60
Answer(s): $473.60