Question
During her shopping trip, Betty bought three different types of pencils, H, J and K in the ratio of 5 : 2 : 8. She decided to sell them at the prices listed as shown.

Pencil H : $2.70
Pencil J : $0.80
Pencil K : $0.30

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

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During her shopping trip, Betty bought three different types of pencils, H, J and K in the ratio of 5 : 2 : 8. She decided to sell them at the prices listed as shown.

Pencil H : $2.70
Pencil J : $0.80
Pencil K : $0.30

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