Question 1119804
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<pre>
1.  A goat eats  {{{225/45}}} = 5 kg/day.


2.  A cow eats   {{{225/15}}} = 15 kg/day.


3.  Both animals eat together  5 + 15 = 20 kg/day.



4.  Both animals will eat 225 kg in {{{225/20}}} = {{{11}}}{{{5/20}}} = {{{11}}}{{{1/4}}} days.
</pre>

Solved.


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<U>The lesson to learn from this solution is THIS</U> :


<pre>
    Why use long and complicated approaches when there is SIMPLE and STRAIGHTFORWARD way to get a comprehensive solution ?
</pre>

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&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/Rate-of-work-word-problems/Special-joint-wok-problems-that-admit-and-require-an-alternative-solution-method.lesson?content_action=show_dev>Special joint work problems that admit and require an alternative solution method</A>

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