document.write( "Question 122506: Joanna decided to invest the $500 that she had received as graduation presents. She invested part in a 10% annual interest money market account and the rest in a 5% annual interest CD. How much did she invest in the money market account if she made $42.50 in interest during the first year? \n" ); document.write( "

Algebra.Com's Answer #89932 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"x\"$ = amount invested in money market account
\n" ); document.write( " $\".1x+%2B+.05%28500+-+x%29+=+42.5\"$
\n" ); document.write( " $\".1x+%2B+25+-+.05x+=+42.5\"$
\n" ); document.write( " $\".05x+=+17.5\"$
\n" ); document.write( " $\"x+=+350\"$
\n" ); document.write( "She invested $350 in the money market account \n" ); document.write( "

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