Mathematics, 11.03.2020 02:08 cxxcee

A dealer sold 500 tennis racquets some were sold at $20 each and the rest were sold at $45 each. The total receipts from these sales were $20000 . How many racquets did he sell at $20 each

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A dealer sold 500 tennis racquets some were sold at $20 each and the rest were sold at $45 each. The...