Question

Mr. Lewis sees a red light ahead and applies the brakes on his car. The car travels 300.5 feet before coming to a stop. For each foot, the car travels during this time, its speed changes by −0.2 miles per hour.

What is the total change in the car's speed during that time?

Answer 1

during that time it took 1502.5 per hour

Answer 2

The Answer is -60.1

Explanation:

I took a unit test on math and this was the right answer.

Its saying each foot the speed goes down 0.2 miles, therefore I used the equation -0.2x300.5 and I got -60.1.

Hope this helps :)