Question
During her shopping trip, Xandra bought three different types of pens, N, P and Q in the ratio of 4 : 2 : 9. She decided to sell them at the prices listed as shown.

Pen N : $2.50
Pen P : $0.80
Pen Q : $0.60

Given that Xandra bought a total 525 pens, how much did Xandra collect from the sale of all the pens?
3 m

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During her shopping trip, Xandra bought three different types of pens, N, P and Q in the ratio of 4 : 2 : 9. She decided to sell them at the prices listed as shown.

Pen N : $2.50
Pen P : $0.80
Pen Q : $0.60

Given that Xandra bought a total 525 pens, how much did Xandra collect from the sale of all the pens?