document.write( "Question 1108504: You spill $1500 between 2 savings accounts. Account A pays 5% annual interest and Account B pays 4% annual interest. After one year, you have earned a total of $69.50 in interest. How much money did you invest in each account? \n" ); document.write( "
Algebra.Com's Answer #723656 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! You spill $1500 between 2 savings accounts. \n" ); document.write( " Account A pays 5% annual interest and Account B pays 4% annual interest. \n" ); document.write( " After one year, you have earned a total of $69.50 in interest. \n" ); document.write( " How much money did you invest in each account? \n" ); document.write( ": \n" ); document.write( "Two equations \n" ); document.write( "A + B = 1500 \n" ); document.write( "or \n" ); document.write( "B = (1500-A), use the form for substitution \n" ); document.write( "and \n" ); document.write( ".05(A) + .04(B) = 69.50 \n" ); document.write( ": \n" ); document.write( "Replace B with (1500-A)in the above equation \n" ); document.write( ".05(A) + .04(1500-A) = 69.50 \n" ); document.write( ".05A + 60 - .04A = 69.50 \n" ); document.write( ".05A - .04A = 69.50 - 60 \n" ); document.write( ".01A = 9.50 \n" ); document.write( "A = 9.5/.01 \n" ); document.write( "A = $950 invested in Acct A \n" ); document.write( ": \n" ); document.write( "I'll let you find amt in Acct B. \n" ); document.write( ": \n" ); document.write( "Check by finding the sum of the actual interest earned in each acct. \n" ); document.write( " |