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?

Question

Mathematics

Thelma

2 January, 04:49

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?

+1

Answers (2)

Know the Answer?

Tania Wall · Answer 1

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

Charles Cameron · Answer 2

34 miles per hour

On a trip, a student drove 40 miles per hour for2 hours and then drove 30 miles per hour for3 hours. What is the student's average rate ofspeed, in miles per hour, for the whole trip?

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?