document.write( "Question 1133695: Suppose $50,000 is divided into two bank accounts. One account pays 4% simple interest per year and the other pays 6.4%. After five years there is a total of $12,000 in interest between the two accounts. How much was invested into the bank account that pays 4% simple interest (rounded to the nearest cent)? \n" ); document.write( "
Algebra.Com's Answer #750944 by addingup(3677)![]() ![]() You can put this solution on YOUR website! 0.04x + 0.064(50,000-x) = 12,000/5 \n" ); document.write( "0.04x + 3,200 - 0.064x = 2,400 \n" ); document.write( "-0.024x = -800 \n" ); document.write( "x = 33,333.33 this is the money invested at 4% \n" ); document.write( "50,000-33,333.33 = 16,666.67 \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~ \n" ); document.write( "Check: \n" ); document.write( "The formula for simple interest is Prt \n" ); document.write( "33,333.33 * 0.04 * 5 = 6,666.67 \n" ); document.write( "16,666.67 * 0.064 *5 = 5,333.33 \n" ); document.write( " --------------- \n" ); document.write( "Total . . . . . . . . 12,000 Correct \n" ); document.write( " |