Question

after travelling 40 km ramu found that he had covered only 4/5 of his total journey.find the total length his whole journey

Answer 1

see the image for the answer

Answer 2

let the total length of his journey be x

then4/5 of x is 4x/5

then

4x/5 =40

4x=40*5

4x=200

x=200/4

x=50km


then the total length of the journey =x=50km