15. Exemplar exercise problems VII

Three bags contain $64.2 \ kg$ of sugar. The second bag contains $\frac{4}{5}$ of the contents of the first and the third contains $45 \frac{1}{2} \%$ of what there is in the second bag. How much sugar is there in each bag?

 

 

Amount of sugar in the first bag $=$

 

Amount of sugar in the second bag $=$

 

Amount of sugar in the third bag $=$