Question 428486
Two quantities invested.
x at 10.5%
30000-x at 8%
One year of total increase on balance, 2250 units


{{{0.105x+0.08(30000-x)=2250}}}


{{{0.105x+0.08*30000-0.08x=2250}}}

{{{(0.105-0.08)x=2250-0.08*30000}}}


{{{x=(2250-0.08*30000)/(0.105-0.08)}}}

{{{-150/0.025}}}--------------------------This is bad.  Negative number here 
can not be allowed.


Problem description is wrong.