Question

When I have travelled 20 km,I have 3/5 of my journey left . What is the total length of my journey

Answer 1

QUESTION:

• When I have travelled 20 km,I have 3/5 of my journey left . What is the total length of my journey?

ANSWER:

LET TOTAL LENGTH OF MY JOURNEY BE 'X' KM

UNCOMPLETED JOURNEY = 3/5 X

COMPLETED JOURNEY = 20 KM

$\\ \\ \\ \\ \\ x = \frac{3}{5}x + 20 \\ \\ \\ \\ \frac{5x - 3x}{5} = 20 \\ \\ \\ \\ \\ \frac{2x}{5} = 20 \\ \\ \\ \\ x = \frac{20 \times 5}{2} \\ \\ \\ \\ \\ = 10km$

Answer 2

Answer:

15 beacause I have minuses 5 from 20