Answer:
£5 : £25
Step-by-step explanation:
Sum the parts of the ratio, 1 + 5 = 6 parts
Divide the quantity by 6 to find the value of one part of the ratio
£30 ÷ 6 = £5 ← value of 1 part of the ratio, thus
5 parts = 5 × £5 = £25
Thus 1 : 5 = £5 : £25
