Question 1103515
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<pre>
1.  <U>First refrigerator</U>. 

    Since the salesman sold the first refrigerator for $1200 at 20% profit, he bought this refrigerator at the cost "x" such that

    1.2x = 1200,   i.e.  x = {{{1200/1.2}}} = 1000 dollars.



2.  <U>Second refrigerator</U>.

    Since the salesman sold the second refrigerator for $1200 at 20% loss, he bought this refrigerator at the cost "y" such that

    0.8y = 1200,   i.e.  y = {{{1200/0.8}}} = 1500 dollars.



3.  The salesman' spending to bye the two refrigerators was $1000 + $1500 =  $2500.



4.  He sold the two refrigerators for $1200 + $1200 = $2400.



5.  Hence, he lost  $2500 - $2400 = $100,  and his net loss is

    {{{100/2500}}} = 0.04 = 4%.
</pre>

<U>Answer</U>.   The salesman net loss is 4%.


Solved.