Question
During her shopping trip, Olivia bought three different types of pencils, K, L and M in the ratio of 6 : 2 : 9. She decided to sell them at the prices listed as shown.

Pencil K : $2.10
Pencil L : $0.80
Pencil M : $0.40

Given that Olivia bought a total 425 pencils, how much did Olivia collect from the sale of all the pencils?
3 m

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During her shopping trip, Olivia bought three different types of pencils, K, L and M in the ratio of 6 : 2 : 9. She decided to sell them at the prices listed as shown.

Pencil K : $2.10
Pencil L : $0.80
Pencil M : $0.40

Given that Olivia bought a total 425 pencils, how much did Olivia collect from the sale of all the pencils?