SOLUTION: Normally it take 3 hours for a train ti run from A to B one day due to a minor trouble the train reduce the speed by 12 km/hr si it took 3/4th of an hours more than the usual.what

Question 996713: Normally it take 3 hours for a train ti run from A to B one day due to a minor trouble the train reduce the speed by 12 km/hr si it took 3/4th of an hours more than the usual.what is the distance fron A to B.
Answer by josgarithmetic(39614) (Show Source): You can put this solution on YOUR website!

             speed        time        distance
NORMAL        r            3            d
TROUBLE       r-12         3+3/4        d

Normal situation gives .

, split the factor 12 into the two smaller factors;

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