Question
During her shopping trip, Xylia bought three different types of pencils, R, S and T in the ratio of 4 : 3 : 7. She decided to sell them at the prices listed as shown.

Pencil R : $2.20
Pencil S : $0.70
Pencil T : $0.40

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

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During her shopping trip, Xylia bought three different types of pencils, R, S and T in the ratio of 4 : 3 : 7. She decided to sell them at the prices listed as shown.

Pencil R : $2.20
Pencil S : $0.70
Pencil T : $0.40

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