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Copy machines
the school bought a new copy machine which makes 20 copies per minute.the old machine makes 12 copies per minute.francine needs 100 copies,so she uses both machines.how long will it take to have the copies
1 answer
The answer is 48 minutes. Its interesting that this problem was in the math homework i gave today.
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the school bought a new copy machine which makes 20 copies per minute.the old machine makes 12 copies per minute.francine needs