Question

a car is moving at a rate of 88 feet per second. the speed limit sign says 60 miles per hour. are they traveling the speed limit? read all the choices carefully
yes exactly
they are traveling more than 5 mph under the speed limit
they are within 5 mph under the speed limit
they are traveling more than 5 mph over the speed limit
they are within 5 mph over the speed limit

Explanation:

Step1: Convert feet per second to miles per hour

We know that \(1\) mile \( = 5280\) feet and \(1\) hour \(=3600\) seconds.
To convert \(v = 88\) feet per second to miles per hour, we use the conversion formula \(v(\text{mph})=\frac{88\times3600}{5280}\).
First, calculate \(88\times3600=316800\).
Then, \(\frac{316800}{5280}=60\).

Answer:

A. Yes exactly