SOLUTION: A man walked to the next town at the rate of 3 miles per hour and rode back in a bus which ran at an average speed of 20 miles pee hour at an average speed of 20 miles. how far did

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Question 1146050: A man walked to the next town at the rate of 3 miles per hour and rode back in a bus which ran at an average speed of 20 miles pee hour at an average speed of 20 miles. how far did he go if the journey took him 4 3/4 hours?
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
              SPEEDS            TIMES                     DISTANCE

WALK             3               d%2F3                        d

BUS             20               d%2F20                        d

TOTAL                           4%263%2F4

d%2F3%2Bd%2F20=19%2F4
LCD60

20d%2B3d=19%2A15
23d=285
d=12.39%2Amileseachway