Question
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
Ans is 10km plz gve me fst sltn
Answers
Steve
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
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
Simran kaur
Thanx dear
Raj
This is right answer but this step is wrong .