document.write( "Question 352042: A women has $56,000. Part is invested for 1year in a CD paying 7% interest, and the remaining amount in a cash managements fund paying 10%. The total interest on the two investments is $4,220. How much does she invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #251528 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A women has $56,000. Part is invested for 1year in a CD paying 7% interest, and the remaining amount in a cash managements fund paying 10%. The total interest on the two investments is $4,220. How much does she invest at each rate? \n" ); document.write( "... \n" ); document.write( "let x be invested in 7% \n" ); document.write( "56000-x = invested in 10% \n" ); document.write( "... \n" ); document.write( "interest = 4220 \n" ); document.write( ".. \n" ); document.write( "0.07x+(56000-x)*0.1= 4220 \n" ); document.write( "0.07x +5600-0.1x=4220 \n" ); document.write( "-0.03x=4220-5600 \n" ); document.write( "-0.03x=-1380 \n" ); document.write( "x= -1380/0.03 \n" ); document.write( "x= $46,000 @ 7% \n" ); document.write( "Balance at 10%\r \n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |