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Mathematics, 03.08.2021 18:00 zlittleton2008

In a stationary store, a ball pen is sold at $7 and a fountain pen is sold at $11. Emily spends $80 to buy 8 pens. How many ball pens does she buy?

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In a stationary store, a ball pen is sold at $7 and a fountain pen is sold at $11. Emily spends $80...
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