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If two copying machines work simultaneously at their respect

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If two copying machines work simultaneously at their respect

by BTGmoderatorDC » Sun Apr 14, 2019 9:12 pm

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If two copying machines work simultaneously at their respective constant rates, how many copies do they produce in 5 minutes?

(1) One of the machines produces copies at the constant rate of 250 copies per minute.
(2) One of the machines produces copies at twice the constant rate of the other machine.

OA E

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