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Kerry1
Kerry1 asks:
Q:

the fastest runs 2464ft in 22.4 seconds how many miles per hour is this?

In Topics: Helping my child with school work and home work
> 60 days ago

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Kerry1
Kerry1 writes:
2464/22.4=110x3600=396000/5280=75
> 60 days ago

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chemteacher
chemteacher writes:
Kerri's answer is set up correctly, just wanted to include units. The math shown is just a conversion from one unit to another. She first set up the rate (ft/sec), then converted sec to hours (3600 sec in one hour), followed by converting feet to miles (5290 ft in one mile). The final answer has a unit in mi/hr. The basic rule is that if the problem has units (words), then the answer needs units (words) in it.
> 60 days ago

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