Question
During her shopping trip, Opal bought three different types of pencils, H, J and K in the ratio of 4 : 2 : 9. She decided to sell them at the prices listed as shown.

Pencil H : $2.20
Pencil J : $0.70
Pencil K : $0.50

Given that Opal bought a total 510 pencils, how much did Opal collect from the sale of all the pencils?
3 m

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During her shopping trip, Opal bought three different types of pencils, H, J and K in the ratio of 4 : 2 : 9. She decided to sell them at the prices listed as shown.

Pencil H : $2.20
Pencil J : $0.70
Pencil K : $0.50

Given that Opal bought a total 510 pencils, how much did Opal collect from the sale of all the pencils?