Martin runs 100 meters in 15 seconds. What is the equation for d, the distance in meters that Martin covers per second?

15 + d = 100

100 + d = 15

d x 15 = 100

d x 100 = 15

The answer is d x 15 = 100

In order to get the value of d, you must transpose the constant 15 to the left side of the equation.

It can also be written like this:

15d = 100

Divide both sides by 15:

15d / 15 = 100/15

d = 6.667 meters per second

To solve this problem you must apply the proccedure shown below:

1. You have that Martin runs 100 meters in 15 seconds. Therefore, the equation for d, the distance in meters that Martin covers per second is:

dx15=100

2. Therefore, the ansnwer is the third option, which is: dx15=100