SOLUTION: A car traveled for 1/2 hour at r mi/h then increased the speed by 10 mi/h and traveled for 1 1/2 hours more. How far did the car go? (Express the answer in terms of r.)
RATE TIME DISTANCE
First Part r
Second Part r+10
Total
RULE: RT=D relates rate R, time T, distance D.
Fill-in the missing parts.
RATE TIME DISTANCE
First Part r
Second Part r+10
Total
Simplify the expression for the total distance. Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
A car traveled for 1/2 hour at r mi/h then increased the speed by 10 mi/h and traveled for 1 1/2 hours more. How far did the car go? (Express the answer in terms of r.)
Distance traveled on 1st leg:
Distance traveled on 2nd leg:
Total distance traveled: