SOLUTION: A cyclist traveled 60 mi at a constant rate before reducing the speed by 12 mph. Another 40 mi was traveled at the reduced speed. The total time for the 100-mile trip was 8 h. Find

Question 703804: A cyclist traveled 60 mi at a constant rate before reducing the speed by 12 mph. Another 40 mi was traveled at the reduced speed. The total time for the 100-mile trip was 8 h. Find the rate during the first 60 mi.

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
___________Speed------------Time---------Distance
High Speed___r_____________(___)_________60
Low Speed ___12____________(___)_________(__)
Total_______________________8____________100

Fill in the missing information to the table:
___________Speed------------Time---------Distance
High Speed___r_____________((60/r))_________60
Low Speed ___12____________(40/12)_________(40)
Total_______________________8____________100

The time sums to 8 hours:

r=90/7,

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