During her shopping trip, Min bought three different types of crayons, M, N and P in the ratio of 6 : 3 : 9. She decided to sell them at the prices listed as shown.
Crayon M : $2.90
Crayon N : $10
Crayon P : $0.60
Given that Min bought a total 522 crayons, how much did Min collect from the sale of all the crayons?
|
Crayon M |
Crayon N |
Crayon P |
Total |
Ratio of crayon |
6 u |
3 u |
9 u |
18 u |
Value of each crayon |
$2.90 |
$10 |
$0.60 |
|
18 u = 522
1 u = 522 ÷ 18 = 29
Number of Crayon M
= 6 x 29
= 174
Number of Crayon N
= 3 x 29
= 87
Number of Crayon P
= 9 x 29
= 261
Total revenue
= 174 x 2.90 + 87 x 10 + 261 x 0.60
= 504.60 + 870.00 + 156.60
= $1531.20
Answer(s): $1531.20