On a trip, a student drove 40 miles per hour for
2 hours and then drove 30 miles per hour for
3 hours. what is the student's average rate of
speed, in miles per hour, for the whole trip?

34 mph

Step-by-step explanation:

Average speed = total distance / total time

Total distance = ( 40 × 2 + 30 × 3 )

= 170 miles

Total time = 5 h

So, avg speed = 170/5 = 34 mph

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

f

step-by-step explanation:

f