During her shopping trip, Tammy bought three different types of crayons, K, L and M in the ratio of 5 : 2 : 8. She decided to sell them at the prices listed as shown.
Crayon K : $2.60
Crayon L : $0.80
Crayon M : $0.50
Given that Tammy bought a total 435 crayons, how much did Tammy collect from the sale of all the crayons?
|
Crayon K |
Crayon L |
Crayon M |
Total |
Ratio of crayon |
5 u |
2 u |
8 u |
15 u |
Value of each crayon |
$2.60 |
$0.80 |
$0.50 |
|
15 u = 435
1 u = 435 ÷ 15 = 29
Number of Crayon K
= 5 x 29
= 145
Number of Crayon L
= 2 x 29
= 58
Number of Crayon M
= 8 x 29
= 232
Total revenue
= 145 x 2.60 + 58 x 0.80 + 232 x 0.50
= 377.00 + 46.40 + 116.00
= $539.40
Answer(s): $539.40