SOLUTION: A car can travel 100 miles in the same time that it takes a bus to travel 40 miles. If the rate of the bus is 30 miles per hour slower than the car, find the average rate for each.

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A car can travel 100 miles in the same time that it takes a bus to travel 40 miles. If the rate of the bus is 30 miles per hour slower than the car, find the average rate for each.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1055312: A car can travel 100 miles in the same time that it takes a bus to travel 40 miles. If the rate of the bus is 30 miles per hour slower than the car, find the average rate for each.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Rate * Time = Distance
R%5Bc%5D%2At=100
R%5Bb%5D%2At=40
R%5Bb%5D=R%5Bc%5D-30
Substituting,
40%2Ft=100%2Ft-30
-60%2Ft=-30
t=2hr
So then,
R%5Bc%5D=100%2F2
R%5Bc%5D=50mph
R%5Bb%5D=50-30
R%5Bb%5D=20mph