SOLUTION: if a cyclist had gone 3km per hour faster, he would have have taken 1 hour and 20 minutes less to ride 80kms. What time did he take

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Question 1105089: if a cyclist had gone 3km per hour faster, he would have have taken 1 hour and 20 minutes less to ride 80kms. What time did he take

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
                SPEED      TIME        DISTANCE

DONE              r         80/r          80

IF               r+3       80/(r+3)       80

DIFFERENCE                 


He took hours for the trip.

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Time taken was , hours.
6 hours 40 minutes

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