Rate problem.

Question

Walking at 4 miles per hour, it takes Charlie 1/2 hour to reach the bus station. Charlie then take the bus the rest of the way to school. Traveling at 20 mileS per hour, it takes the bus 1/2 hour to get to school. How fat does Charlie travel to school ?

1-22miles

2-12miles

3-2 miles

4-55mile s

Answer 1

First, walking  4 miles per hour for 1/2 hour. She walks  2 miles.

Then by bus 20 miles per hour for 1/2 hour.  10 miles.

Altogether 12 miles