Question 97380
Rent = x
Security deposit = {{{(1/2)x}}}
{{{x+(1/2)x=1725}}}
{{{1(1/2)x=1725}}}
{{{(3/2)x=1725}}}
{{{(2)(3/2)x=(2)1725}}}
{{{3x=3450}}}
{{{3x/3=3450/3}}}
{{{x=1150}}}

Check the Answer!
{{{1150+(1150/2)=1725}}}
{{{1150+575=1725}}}
{{{1725=1725}}}
TRUE

The rent is $1150 per month; the security deposit was $575.