document.write( "Question 219145: Cynthia invested 3 times as much money at 6% as at 5%. If the total of the simple interest for 1 year is at least 1150 dollars, what is the least possible amount Cynthia has invested at 5%?????????????????????????????? \n" ); document.write( "
Algebra.Com's Answer #164872 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .06*3x+.05x>1150 \n" ); document.write( ".18x+.05x>1150 \n" ); document.write( ".23x>1150 \n" ); document.write( "x>1150/.23 \n" ); document.write( "x=5,000 amount invested @ 5%/ \n" ); document.write( "2*5,000=10,000 amount invested @ 6%. \n" ); document.write( "Proof: \n" ); document.write( ".06*10,000+.05*5,000>1150 \n" ); document.write( "600+250>1150 \n" ); document.write( "1150=1150 \n" ); document.write( " \n" ); document.write( " |