During her shopping trip, Natalie bought three different types of crayons, J, K and L in the ratio of 5 : 3 : 8. She decided to sell them at the prices listed as shown.
Crayon J : $1.90
Crayon K : $0.80
Crayon L : $0.30
Given that Natalie bought a total 576 crayons, how much did Natalie collect from the sale of all the crayons?
|
Crayon J |
Crayon K |
Crayon L |
Total |
Ratio of crayon |
5 u |
3 u |
8 u |
16 u |
Value of each crayon |
$1.90 |
$0.80 |
$0.30 |
|
16 u = 576
1 u = 576 ÷ 16 = 36
Number of Crayon J
= 5 x 36
= 180
Number of Crayon K
= 3 x 36
= 108
Number of Crayon L
= 8 x 36
= 288
Total revenue
= 180 x 1.90 + 108 x 0.80 + 288 x 0.30
= 342.00 + 86.40 + 86.40
= $514.80
Answer(s): $514.80