Question 1098846
X - the amount at 8%
Y - the amount at 7.25%
.
.
1.{{{X+Y=12000}}}
2.{{{8X+7.25Y=90000}}}
Multiply eq. 1 by 8 and subtract from eq. 2,
{{{8X+7.25Y-8X-8Y=90000-96000}}}
{{{-0.75Y=-6000}}}
Solve for Y then use either equation to solve for X.