Question
During her shopping trip, Barbara bought three different types of pencils, C, D and E in the ratio of 6 : 2 : 7. She decided to sell them at the prices listed as shown.

Pencil C : $2.40
Pencil D : $0.75
Pencil E : $0.30

Given that Barbara bought a total 420 pencils, how much did Barbara collect from the sale of all the pencils?
3 m

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During her shopping trip, Barbara bought three different types of pencils, C, D and E in the ratio of 6 : 2 : 7. She decided to sell them at the prices listed as shown.

Pencil C : $2.40
Pencil D : $0.75
Pencil E : $0.30

Given that Barbara bought a total 420 pencils, how much did Barbara collect from the sale of all the pencils?