Question
During her shopping trip, Erika bought three different types of markers, P, Q and R in the ratio of 4 : 2 : 7. She decided to sell them at the prices listed as shown.

Marker P : $2.70
Marker Q : $0.70
Marker R : $0.60

Given that Erika bought a total 494 markers, how much did Erika collect from the sale of all the markers?
3 m

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During her shopping trip, Erika bought three different types of markers, P, Q and R in the ratio of 4 : 2 : 7. She decided to sell them at the prices listed as shown.

Marker P : $2.70
Marker Q : $0.70
Marker R : $0.60

Given that Erika bought a total 494 markers, how much did Erika collect from the sale of all the markers?