During her shopping trip, Fanny bought three different types of crayons, M, N and P in the ratio of 4 : 3 : 9. She decided to sell them at the prices listed as shown.
Crayon M : $2.10
Crayon N : $0.70
Crayon P : $0.40
Given that Fanny bought a total 416 crayons, how much did Fanny collect from the sale of all the crayons?
|
Crayon M |
Crayon N |
Crayon P |
Total |
Ratio of crayon |
4 u |
3 u |
9 u |
16 u |
Value of each crayon |
$2.10 |
$0.70 |
$0.40 |
|
16 u = 416
1 u = 416 ÷ 16 = 26
Number of Crayon M
= 4 x 26
= 104
Number of Crayon N
= 3 x 26
= 78
Number of Crayon P
= 9 x 26
= 234
Total revenue
= 104 x 2.10 + 78 x 0.70 + 234 x 0.40
= 218.40 + 54.60 + 93.60
= $366.60
Answer(s): $366.60