Question 1054979
<pre>
                      RATES in {{{JOB/DAYS}}}

pedro and juan       {{{1/(3&3/7)}}}

pedro                {{{1/p}}}

juan                 {{{1/j}}}
</pre>

The most important thing to do is be able to form this system of equations.:{{{1/p+1/j=7/24,(1/p)*3+(1/j)*4=1}}}
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Why the whole thing does not render, I don't know.  The system in pure text is this:
1/p+1/j=7/24   and  (1/p)*3+(1/j)*4=1.


Everything after that is arithmetic.