Ali has 12 % of 350kg\of apples=42kgAli has 12% of 350kg of apples, James had 13% of left over. Helen and Jack divided the remaining in ratio of 2:3.

First of all i found out ali has 42kg of apples and james has 40.3kg of apples.

James had 13% of left over=13% of 308 = 40.04 kg or 40 kg 40 g

Helen and Jack divided the remaining (267.96 kg) in ratio of 2:3

therefore Helen got

and Jack got