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Zorluk: KolayUnit Rates

A mess hall crew prepares $240$ field rations in $120$ minutes. What is the crew's constant preparation rate in rations per hour?

120

The rate is found by first converting

120

minutes into

2

hours, then dividing the

240

rations by

2

hours to obtain

120

rations per hour.

Convert the given time from minutes to hours.

120 \text{ minutes} = 2 \text{ hours}

The question asks for the rate in rations per hour, so the time unit must be in hours.

Divide the total number of rations by the total time in hours.

240 \div 2 = 120

Dividing the total quantity by the total time calculates the unit rate.

Calculating a unit rate often requires first converting time into the requested units before performing division.

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