Harry has $4000 invested in two savings accounts. One account earns 6% interest per year, and the other pays 7% per year. If his total interest for the year is $264, how much is invested at 7%?
1 Answer
Jul 15, 2016
Explanation:
Let
Let
also the second equation is
and
Solution by the method of substitution
~~~~~~~~~~~~~~~~~~~~~~~
check: using the second equation
correct !
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