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A machine paints 340 toy boats in 45 min . write a ratio that can be evaluated to find the unit rate per hour.
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A machine paints 340 toy boats in 45 min . write a ratio that can be evaluated to find the unit rate per hour.

User Adarsh H S
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So you first divide 340 by 45 to get how many boats the machine paints per minute, then multiply that by 60 to get the hourly rate. 340/45=7.5  7.5*60=453 toys per hour.
User H W
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