Question

Divide £300 in a ratio of 3:7

Answer 1

Dividing £300 in ratio 3:7.

First add the ratio: 3+7 = 10.
So in all there should be 10 parts.

For the value of 3, the share would be = 3/10 * 300 = 90

For the value of 7, the share would be = 7/10 * 300 = 210

Therefore in the ratio of 3: 7 = £90 and £210.

Cheers.

Answer 2

`x+y=300\$ \\\\ x;y \ \ directly \ proportional \ \\ 3;7 \\\\ (x)/(3)=(y)/(7)=k \\\\ x=3k \\ y=7k \\\\ 3k+7k=300\$ \\\\ 10k=300\$ \\\\ \boxed{k=(300)/(10)=30\$} \\\\ x=3*30\$ \\\\ \boxed{\boxed{x=90\$}} \\\\ y=7*30\$ \\\\ \boxed{\boxed{y=210\$}}`