Question
During her shopping trip, Yoko bought three different types of pens, A, B and C in the ratio of 4 : 3 : 9. She decided to sell them at the prices listed as shown.

Pen A : $2.40
Pen B : $0.85
Pen C : $0.30

Given that Yoko bought a total 416 pens, how much did Yoko collect from the sale of all the pens?
3 m

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During her shopping trip, Yoko bought three different types of pens, A, B and C in the ratio of 4 : 3 : 9. She decided to sell them at the prices listed as shown.

Pen A : $2.40
Pen B : $0.85
Pen C : $0.30

Given that Yoko bought a total 416 pens, how much did Yoko collect from the sale of all the pens?