Question 1089107
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In normal mathematical/human language the question should be


"What is the ratio of the weigh of the heart to the weight of the skin ?"



And the answer is:  the ratio is   {{{0.6/9}}} = {{{1/15}}},  or,  in the wording form  "the weight of the heart is  {{{1/15}}}  of the weight of the skin".