SOLUTION: Ruth walks at the rate of r meters per minute and jogs at twice that rate. She walks for t minutes and then jogs for 20 minutes longer than she walks. How much distance has Ruth co

Question 1000861: Ruth walks at the rate of r meters per minute and jogs at twice that rate. She walks for t minutes and then jogs for 20 minutes longer than she walks. How much distance has Ruth covered all together?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Arrange a data table.

            rate          time         distance
WALK         r            t            
JOG          2r                  
Total

20 minutes is the same as of an hour.

Simplify the total distance expression.
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