Na trip, a motorist drove 150 miles in the morning and 50 miles in the afternoon. his average rate in the morning was twice his average rate in the afternoon. he spent 5 hours driving. find his average rate on each part of the trip.

His average rate in the morning was

His average rate in the afternoon was  

Step-by-step explanation:

We need to remember the following formula:

Where "V" is the speed, "d" is the distance and "t" is the time.

Solving for "t":

Let be the average rate in the afternoon and the average rate in the morning.

Since he spent 5 hours driving, we can write the following equations:

Solving for "x", we get:

Therefore, his average rate in the afternoon was:

And his average rate in the morning was:

9

step-by-step explanation: