Question
During her shopping trip, Mary bought three different types of pens, E, F and G in the ratio of 5 : 2 : 8. She decided to sell them at the prices listed as shown.

Pen E : $2.70
Pen F : $0.80
Pen G : $0.30

Given that Mary bought a total 570 pens, how much did Mary collect from the sale of all the pens?
3 m

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During her shopping trip, Mary bought three different types of pens, E, F and G in the ratio of 5 : 2 : 8. She decided to sell them at the prices listed as shown.

Pen E : $2.70
Pen F : $0.80
Pen G : $0.30

Given that Mary bought a total 570 pens, how much did Mary collect from the sale of all the pens?