Answer:
see explanation
Step-by-step explanation:
Sum the parts of the ratio, 1 + 5 + 6 = 12 parts
Divide £108 by 12 to find the value of one part of the ratio
£108 ÷ 12 = £9 ← value of 1 part of the ratio, thus
5 parts = 5 × £9 = £45
6 parts = 6 × £9 = £54
£108 in the ratio 1 : 5 : 6 = £9 : £45 : £54