Question

Which equation represents the distance (d) a car travels, in time (t), when driving 65 miles per hour? How far did the car travel in 3 hours? A. t = 65d; 21.7 hours B. d = 65t; 195 miles C. t = 65d; 195 hours D. d = 65t; 21.7 miles

Answer 1

B because distance increases when time increases and time is proportional ot the milage a car has. Upon plugging 3 into time you recieve 195

B

Answer 2

Option: B is the correct answer.

B. d = 65t ; 195 miles

Explanation:

We know that the speed of a car is the ratio of distance over time.

i.e.

`Speed=(Distance)/(Time)`

Also, it is given that:

The speed at which the car is driving is: 65 miles per hour.

If d denotes the distance a car travels.

and t denote the time.

Then by using the formula of the speed in terms of distance and time we have:

`65=(d)/(t)\\\\i.e.\\\\d=65t`

• Now, we are asked to find the distance traveled by the car in 3 hours.

i.e. we are asked to find the value of d when t=3

i.e.

`d=65* 3\\\\i.e.\\\\d=195\ miles`