Question 442367
6.5% part
{{{0.065x}}}


5% part
{{{0.05(20000-x)}}}


The interest from the 5% is to be double the interest at 6.5%.

{{{(0.05(20000-x))/(0.065x)=2}}}


{{{(50(20000-x))/(65x)=2}}}


{{{(10(20000-x))/(13x)=2}}}


{{{5(20000-x)=13x}}}


{{{100000-5x=13x}}}


{{{100000=18x}}}


{{{x=5555.56}}}  at 6.5%

{{{14444.44}}}  at 5%