During her shopping trip, Anna bought three different types of markers, S, T and U in the ratio of 4 : 3 : 7. She decided to sell them at the prices listed as shown.
Marker S : $1.90
Marker T : $0.80
Marker U : $0.40
Given that Anna bought a total 504 markers, how much did Anna collect from the sale of all the markers?
|
Marker S |
Marker T |
Marker U |
Total |
Ratio of marker |
4 u |
3 u |
7 u |
14 u |
Value of each marker |
$1.90 |
$0.80 |
$0.40 |
|
14 u = 504
1 u = 504 ÷ 14 = 36
Number of Marker S
= 4 x 36
= 144
Number of Marker T
= 3 x 36
= 108
Number of Marker U
= 7 x 36
= 252
Total revenue
= 144 x 1.90 + 108 x 0.80 + 252 x 0.40
= 273.60 + 86.40 + 100.80
= $460.80
Answer(s): $460.80