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Posted by on Sunday, November 18, 2012 at 2:41am.

A man traveled a distance of 22km in one hour,partly in a car at a speed of 30km/hr and partly on a motorcycle at 18km/hr.find the distance travelled by him in the car.
Ans is 10km plz gve me fst sltn

  • Math - , Sunday, November 18, 2012 at 4:45am

    if the distance traveled by car is c, the 22-c is on bike.

    add up the times, knowing that time = distance/speed:

    c/30 + (22-c)/18 = 1
    clear fractions to get

    3c + 5(22-c) = 90
    3c + 110 - 5c = 90
    2c = 20
    c = 10

  • Math - , Saturday, December 1, 2012 at 7:38am

    Thanx dear

  • Math - , Wednesday, December 9, 2015 at 9:20am

    This is right answer but this step is wrong .

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