Question

Jennifer travels first 4 hours of her journey at a speed of 80 miles/hr and the remaining distance in 6 hours at a speed of 30 miles/hr. What is her average speed in miles/hr

Answer 1

travel in 4 hours = 320 miles

and

travel in 6 hours = 180 miles

total travel = 500 miles

and total time = 10 hours

so ,average speed = 50 miles / hour

which is required ans

Answer 2

Answer:

50 miles /hr

Step-by-step explanation:

speed=distance/time

accordingly the anser is 50miles per hr

totall travel 500 miles/hr