A car traveling at 45 mph is going at 66 feet/second. If a car is traveling at 110 feet/second, then it is going at k mph. What is the value of k?

1 Answer
Taniya
Nov 2, 2017

k=75

Explanation:

to get from 66 feet/second to 45 mph you essentially need to multiply 66 by 45 then divide it by 66.
This can be written as: #66*45/66=45#

therefore #45/66# can by used as our multiplier to convert mph to feet/second.

110 feet/second #*45/66= 75#mph

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