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Question

Using the formula r=dt where d is the distance in miles r is the rate, and t is the time in hours, at which rate must you travel to cover 337.5 miles in 4.5 hours?


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Solution

Determine the speed:

In order to find the rate in which one should travel to cover the distance of 337.5 in 4.5

r=dtd=distance,t=time is used

Here, d=337.5milesand r=4.5hours

substitute dand r in the equation r=dt:

r=337.5miles4.5hours=75miles/hours

so, rate r=75miles/hours

Hence, the rate in which one should travel to cover the distance of 337.5miles in 4.5hour is 75miles/hour.


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