During her shopping trip, Hilda bought three different types of crayons, E, F and G in the ratio of 4 : 3 : 7. She decided to sell them at the prices listed as shown.
Crayon E : $1.30
Crayon F : $0.90
Crayon G : $0.50
Given that Hilda bought a total 574 crayons, how much did Hilda collect from the sale of all the crayons?
|
Crayon E |
Crayon F |
Crayon G |
Total |
Ratio of crayon |
4 u |
3 u |
7 u |
14 u |
Value of each crayon |
$1.30 |
$0.90 |
$0.50 |
|
14 u = 574
1 u = 574 ÷ 14 = 41
Number of Crayon E
= 4 x 41
= 164
Number of Crayon F
= 3 x 41
= 123
Number of Crayon G
= 7 x 41
= 287
Total revenue
= 164 x 1.30 + 123 x 0.90 + 287 x 0.50
= 213.20 + 110.70 + 143.50
= $467.40
Answer(s): $467.40