During her shopping trip, Jaslyn bought three different types of crayons, E, F and G in the ratio of 5 : 3 : 7. She decided to sell them at the prices listed as shown.
Crayon E : $1.70
Crayon F : $10
Crayon G : $0.40
Given that Jaslyn bought a total 450 crayons, how much did Jaslyn collect from the sale of all the crayons?
|
Crayon E |
Crayon F |
Crayon G |
Total |
Ratio of crayon |
5 u |
3 u |
7 u |
15 u |
Value of each crayon |
$1.70 |
$10 |
$0.40 |
|
15 u = 450
1 u = 450 ÷ 15 = 30
Number of Crayon E
= 5 x 30
= 150
Number of Crayon F
= 3 x 30
= 90
Number of Crayon G
= 7 x 30
= 210
Total revenue
= 150 x 1.70 + 90 x 10 + 210 x 0.40
= 255.00 + 900.00 + 84.00
= $1239.00
Answer(s): $1239.00