Question

A car is traveling at 70 miles per hour on the highway. Which equation could you use to calculate the distance, d, the car travels after any given amount of time, t?

Answer 1

d = 70t

Explanation:

The units of speed tell you how to write the equation.

speed = miles/hour

Multiplying by hours gives ...

speed · hours = miles

Using the required variables and the given speed, you have ...

70t = d . . . . . time in hours, distance in miles