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Mathematics, 23.06.2019 22:30 nika0001

Lucy bought a doormat for $7 and some placemats for $2 each. her total average cost per item was $3. create a rational equation, and determine how many placemats she bought.

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Lucy bought a doormat for $7 and some placemats for $2 each. her total average cost per item was $3....
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