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Mathematics, 31.01.2020 19:47 dnsnmcmdmxmx

At the school store, pencils and pens are sold. for every 3 pens sold there are 7 pencils sold.

if 150 of these two items are sold, how many will be pencils?

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At the school store, pencils and pens are sold. for every 3 pens sold there are 7 pencils sold.
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