Alex rides 45 miles in 3 hours. Write an equation that shows the relationship between the distance, d and the time, t that he rides if Alex rides at a constant rate of speed?

D(Distance) = 15T(Time)
Is this right

correct.

wrong

No, the equation you mentioned is not correct. The correct equation showing the relationship between distance, d, and time, t, if Alex rides at a constant rate of speed is:

d = r * t

where:
- d represents the distance traveled (in this case, 45 miles),
- r represents the rate of speed, and
- t represents the time traveled (in this case, 3 hours).

Therefore, the correct equation would be:

45 = r * 3

Yes, that is correct!

To understand how you arrived at the equation D(Distance) = 15T(Time), let's break it down.

From the given information, Alex rides 45 miles in 3 hours. To write an equation that relates the distance (D) and the time (T), we need to find a constant rate at which Alex is riding.

We can calculate the rate (R) by dividing the distance by the time: R = D / T.

Substituting the given values, we have:
R = 45 miles / 3 hours = 15 miles/hour.

Now that we have the rate (15 miles/hour), we can write the equation that relates the distance and the time: Distance (D) = Rate (R) * Time (T).

Plugging in the values, we get: D = 15T.

So, the equation that shows the relationship between the distance (D) and the time (T) is D = 15T.