A dishwasher can was 14 plates per minute. Another dishwasher can wash 10 plates per minute. How long will it take using the two dishwashers to wash 1,560 plates

A dishwasher can was 14 plates per minute. Another dishwasher can wash 10 plates per minute. How long will it take using the two dishwashers to wash 1,560 plates
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In 2 minutes they can wash 14+10=24 plates so in one minute they can wash 12 plates between them.

If they have to wash 1560 plates it will take 1560/12=130 minutes.
by Top Rated User (1.2m points)

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