Answer:
£96 : £128 : £160
Explanation:
sum the parts of the ratio , 3 + 4 + 5 = 12 parts
divide the amount by 12 to find the value of one part of the ratio.
£384 ÷ 12 = £32 , then
3 parts = 3 × £32 = £96
4 parts = 4 × £32 = £128
5 parts = 5 × £32 = £160
Then
£384 in the ratio 3 : 4 : 5 = £96 : £128 : £160