Question 189824
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Let <font color=blue>x</font>= money in a deposit at 6%
So, <font color=blue>$10,000 - x</font>= money in a mutual fund at 11%


If we add the two investment, we get $900.00 total interest.
It follows,

{{{0.06(x)+0.11(10000-x)=900}}}
{{{0.06x+1100-0.11x=900}}}
Combine similar terms,
{{{1100-900=0.11x-0.06x}}}
{{{200=0.05x}}} ---> {{{cross(200)4000/cross(0.05)=cross(0.05)x/cross(0.05)}}}
<font color=blue>x = $4,000.00</font>, money in a deposit


Then, $10,000 - $4,000 = <font color=blue>$6,000.00</font>, money in a mutual fund


Check, {{{0.06(4000)+0.11(6000)=900}}}
{{{240+660=900}}}
{{{900=900}}}


Thank you,
Jojo</font>