document.write( "Question 625510: The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $4800.00 with an interest rate of 7% earned $336.00 in simple interest. Find the amount of simple interest earned if the principle is $4200.00 and the interest rate is 5%. \n" ); document.write( "
Algebra.Com's Answer #393607 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 4200*0.05=$210.00 \n" ); document.write( " |