SOLUTION: a teacher invested $11,000 in two accounts. part of the money was invested at 8% annual simple intrest and the remainder at 6% annual simple intrest. if the teacher received a tota
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Question 1113471: a teacher invested $11,000 in two accounts. part of the money was invested at 8% annual simple intrest and the remainder at 6% annual simple intrest. if the teacher received a total of $820 in intrest after one year, how much did the teacher invest in each account?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If 
is invested in two accounts, one at interest rate 
and the other at interest rate 
and the total interest earned is 
after 1 year at simple annual interest, and the amount invested in the first account is 
while the amount invested in the second account is 
, the following relationships hold:
Note that:
Hence
r_2\ =\ I)
For your problem:
\,\cdot\,0.06\ =\ 842)
Solve for 
and then calculate 
John
My calculator said it, I believe it, that settles it
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