During her shopping trip, Eva bought three different types of crayons, C, D and E in the ratio of 4 : 3 : 8. She decided to sell them at the prices listed as shown.
Crayon C : $1.50
Crayon D : $0.80
Crayon E : $0.50
Given that Eva bought a total 555 crayons, how much did Eva collect from the sale of all the crayons?
|
Crayon C |
Crayon D |
Crayon E |
Total |
Ratio of crayon |
4 u |
3 u |
8 u |
15 u |
Value of each crayon |
$1.50 |
$0.80 |
$0.50 |
|
15 u = 555
1 u = 555 ÷ 15 = 37
Number of Crayon C
= 4 x 37
= 148
Number of Crayon D
= 3 x 37
= 111
Number of Crayon E
= 8 x 37
= 296
Total revenue
= 148 x 1.50 + 111 x 0.80 + 296 x 0.50
= 222.00 + 88.80 + 148.00
= $458.80
Answer(s): $458.80