During her shopping trip, Nora bought three different types of markers, S, T and U in the ratio of 4 : 2 : 7. She decided to sell them at the prices listed as shown.
Marker S : $1.10
Marker T : $10
Marker U : $0.50
Given that Nora bought a total 442 markers, how much did Nora collect from the sale of all the markers?
|
Marker S |
Marker T |
Marker U |
Total |
Ratio of marker |
4 u |
2 u |
7 u |
13 u |
Value of each marker |
$1.10 |
$10 |
$0.50 |
|
13 u = 442
1 u = 442 ÷ 13 = 34
Number of Marker S
= 4 x 34
= 136
Number of Marker T
= 2 x 34
= 68
Number of Marker U
= 7 x 34
= 238
Total revenue
= 136 x 1.10 + 68 x 10 + 238 x 0.50
= 149.60 + 680.00 + 119.00
= $948.60
Answer(s): $948.60