Posted by **Simran kaur** 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 -
**Steve**, 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 -
**Simran kaur**, Saturday, December 1, 2012 at 7:38am
Thanx dear

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