Question

Share £10 in the ratio 1:3​

Answer 1

£2.5 and £7.5

Explanation:

To share an amount in a certain ratio, find the total number of parts, first:

so, the total number of parts in 1:3 is 4

Now, we have find how much money is given to each part = 10/4 = 2.5

Then, finally, we calculate how much each part receives,

So, it is to be = 1 x 2.5 : 3 x 2.5 = 2.5:7.5

Hope this helps

Answer 2

£2.5, £7.5

Explanation:

Let the common multiplier of the given ratios be x.

Hence the shares would be x and 3x

`\therefore \: x + 3x = 10 \\ 4x = 10 \\ x = (10)/(4) \\ x = 2.5 \\ 3x = 3 * 2.5 = 7.5`