Answer:
£166 : £581
Explanation:
sum the parts of the ratio, 2 + 7 = 9 parts
Divide the amount by 9 to find the value of one part of the ratio
£747 ÷ 9 = £83 ← value of 1 part of the ratio, then
2 parts = 2 × £83 = £166
7 parts = 7 × £83 = £581
£747 = £166 : £581 in the ratio 2 : 7