juan travels at the rate of 30miles per hour for 4 hours. He then return over the same route in 3 hours.What was his average rate for the return trip in miles per hour

a-22 1/2
b-34 2/7
c-35
d-36
e-40
answer: f-40

2 answers

d = 30 miles/hr * 4 hrs = 120 miles,
V = 120 MILES / 3 HRS = 40 miles/hr.
Sam ran between 8 and 15 miles a week for 5 weeks.About how many miles could he have run?