Question

Find the whole quantity,40% of it is 500km.

Answer 1

hey dear
here is your answer

let the whole quantity be X.

so, 40/100×X = 500
X = 500×100/40
X = 125

hope it helps
have a good day ☺

Answer 2

The answer is

$40 \div 100 \times x = 500$
$x = 500 \times 100 \div 40 \\ x = 50 \times 25 \\ x = 1250$
Hence answer is 1250km