Answer:
To divide £300 in the ratio of 10:20, we need to first add the two parts of the ratio to find the total number of parts:
10 + 20 = 30
This means that the ratio can be expressed as 10/30 and 20/30.
Next, we can use these ratios to find the amount of money for each part of the ratio:
10/30 x £300 = £100
20/30 x £300 = £200
Therefore, the amount of money for the parts of the ratio 10:20 would be £100 and £200 respectively.