To find the unit rate, we need to divide the length of the longer track by the length of the shorter track. The length of the longer track is 1/4 of a mile, and the length of the shorter track is 1/5 of a mile. So, the unit rate is 1/4 รท 1/5 = 5/4 = <<5/4=1.25>>1.25.
Therefore, the unit rate of length in the longer track per mile of length in the shorter track is 1.25.
A school has a hurdle track that is 1/5 of a mile long. They are considering extending the track to be 1/4 of a mile long. The committee wants to know the unit rate of length in the longer track per mile of length in the shorter track to make sure they have enough hurdles for the longer track. What is the unit rate?
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