math
posted by tyra
The Food Barn sells candy bars at a price of 5 for $1. Margaret bought $12 worth of candy bars there and resold half of them at a price of 3 for $1 and half at a price of 2 for $1. How much profit did she make (assuming her labor costs are zero)?

Brandi
She buys 60 candy bars (5 x 12). Sells half (30 bars) for $10 (30/3) and the other half (30 bars) for $15 (30/2). She makes a total of $25. Subtract what she paid for the original candy bars ($12) from what she made ($25). Profit of $13.
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