Mathematics
Mathematics, 24.06.2020 15:01, thickness3704

Mr. Greene bought some pens at the school supply store, including 15 blue pens. 60% of all the pens he bought were blue. How many pens did Mr. Greene buy in all?

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Mr. Greene bought some pens at the school supply store, including 15 blue pens. 60% of all the pens...

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