Question 1070224
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In a certain village, the ratio between adult men and adult women is 2 : 3 and the ratio
between adult women and children is 8 : 1. What is the ratio between adults (men and
women) and children?
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<pre>
We are given  {{{M/W}}} = {{{2/3}}}  and  {{{W/C}}} = {{{8/1}}}.


We problem asks about the ratio  {{{(M+W)/C}}}.


This ratio is  {{{(M + W)/C}}} = {{{M/C}}} + {{{W/C}}} = {{{(M/W)*(W/C) + 8}}} = {{{(2/3)*8 + 8}}} = {{{16/3 + 8}}} = {{{16/3 + 24/3}}} = {{{40/3}}} = {{{13}}} {{{1/3}}}.
</pre>

Solved.  &nbsp;&nbsp;The only skill that is needed to solve it is the ability to freely operate with fractions.