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swat32
4 years ago
8

a rino can run at speeds about 28 miles per hour. what is that speed in feet per secsec, to the nearest whole number? (Remember

there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in a hour.)
Mathematics
1 answer:
Solnce55 [7]4 years ago
7 0

Remark

You can use  a method called unit analysis to solve this problem. You will use it many times in your education later on.

Solve

\dfrac{28 mile}{hour} *\dfrac{5280 feet}{mile}*\dfrac{1 hour}{60 min}*\dfrac{1 min}{60 sec}

Now sort out the numbers  in the numerator and those in the denominator and multiply them together.

<em><u>Numerator</u></em> 28 * 5280 * 1 * 1 = 147840

<em><u>Denominator:</u></em> 60 * 60 = 3600

Now divide the numerator by denominator

Answer = 147840 / 3600 = 41.1 Feet / second

28 miles per hour = 41.1 feet / second

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