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 answer in terms of "r").

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Question 318287: 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 answer in terms of "r").
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Distance equals rate times time.

The first distance is: . The second distance is

Add 'em up:




John