Question

Mr pathak Travelled a distance of 22 km in one hour partly in a car at the speed of 30 km per hour and partly on a bike at the speed of 18 km per hour find the distance travelled by car

Answer 1

let x be time taken by car
y be time taken by bike

30 x + 18 y = 22
x+ y = 1

30 x+ 30 y=30

subtract
12y = 8
y= 2/3

x= 1/3

distance traveled by car= 30×1/3= 10km

Answer 2

Distance travelled by car=Speed * Time taken
So
Time taken= Distance ÷speed
22 ÷30