Question 1153472
<pre>
                      PRICE            PEOPLE       COST

Is Rented              40/x              x           40

If One less person     40/(x-1)         x-1          40

Price Difference         2        
</pre>
{{{0<40/(x-1)-40/x<2}}}{{{assuming}}}{{{natural}}}{{{number}}}


-


{{{20/(x-1)-20/x<1}}}


{{{20/(x-1)-20/x-1<0}}}


{{{20x-20(x-1)-x(x-1)<0}}}


{{{20x-20x+20-x^2+x<0}}}


{{{20-x^2+x<0}}}


{{{-x^2+x+20<0}}}


{{{x^2-x-20>0}}}

{{{(x+4)(x-5)>0}}}


x=6 is one example that will work.
{{{graph(400,400,-2,8,-2,8,(x+4)(x-5))}}}