Question

Share £40 into the ratio 1:3

Answer 1

in short, we divide 40 by (1+3) and distribute accordingly.

`\bf 40\qquad 1:3\qquad \cfrac{1}{3}~\hspace{5em}\cfrac{1\cdot (40)/(1+3)}{3\cdot (40)/(1+3)}\implies \cfrac{1\cdot 10}{3\cdot 10}\implies \cfrac{10}{30}\implies 10:30`