Question
During her shopping trip, Barbara bought three different types of crayons, Q, R and S in the ratio of 5 : 3 : 9. She decided to sell them at the prices listed as shown.

Crayon Q : $1.40
Crayon R : $0.80
Crayon S : $0.40

Given that Barbara bought a total 493 crayons, how much did Barbara collect from the sale of all the crayons?
3 m

Click button first when a symbol is required. X

During her shopping trip, Barbara bought three different types of crayons, Q, R and S in the ratio of 5 : 3 : 9. She decided to sell them at the prices listed as shown.

Crayon Q : $1.40
Crayon R : $0.80
Crayon S : $0.40

Given that Barbara bought a total 493 crayons, how much did Barbara collect from the sale of all the crayons?