Mathematics, 08.02.2021 19:20 ochoamiguel46
The cost of 1 pen and 4 pencils is $2.70. If each pen costs 5 times as much as each pencil, how much do 7 pens and 5 pencils cost?
Answers: 3
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The cost of 1 pen and 4 pencils is $2.70. If each pen costs 5 times as much as each pencil, how much...
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