Question

Split £240 in ratio 3:5

Answer 1

let common multiple be x
so division are
3x and 5x
Given that
$3x + 5x = 240 \\ 8x = 240 \\ x = \frac{240}{8} \\ x = 30$
So ratio is
30×3=£90
30×5=£150

Answer 2

5+3=8(Total no: of parts)
240/8=30
=>30*3=90
=>30*5=150