document.write( "Question 260854: Mr. Benstron invested $7,200, part at 8% and the rest at 10%. If the annual income from each investment was the same, what was the amount of each investment? \n" ); document.write( "

Algebra.Com's Answer #192155 by Fombitz(32388) $\"\"$ $\"About$

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1. $\"Y%288%29=X%2810%29\"$
\n" ); document.write( "2. $\"X%2BY=7200\"$
\n" ); document.write( "From eq. 1,
\n" ); document.write( " $\"Y=5X%2F4\"$
\n" ); document.write( "Substitute into eq.2,
\n" ); document.write( " $\"X%2B%285%2F4%29X=7200\"$
\n" ); document.write( " $\"%289%2F4%29X=7200\"$
\n" ); document.write( " $\"X=3200\"$
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( " $\"Y=%285%2F4%29X=4000\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "$3200 at 10%, $4000 at 8%. \n" ); document.write( "

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