Question

after travelling 2/5 Of the journy 84km is still left to be travel. find total distance to be travelled ​

Answer 1

question:

after travelling 2/5 Of the journy 84km is still left to be travel. find total distance to be travelled

answer:

let the total journey be x km

ATQ:

$\frac{2}{5} x + 84 = x \\ \\ \frac{2x + 420}{5} = x \\ \\ 2x + 420 = 5x \\ \\ 5x - 2x = 420 \\ \\ 3x = 420 \\ \\ x = 140 \: km$