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Mathematics, 26.08.2019 19:50 miklff

Peter sold watches ($7) and necklaces ($4) at a flea market. total sales were $300. people bought 3 times as many watches as necklaces. how many of each did peter sell? what were the total dollar sales of each?

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Peter sold watches ($7) and necklaces ($4) at a flea market. total sales were $300. people bought 3...
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