document.write( "Question 982045: Find the simple interest rate if $28,400.00 earned simple interest of $1,420.00 in 10 months. Round to the nearest tenth of a percent. Please solve and show work. Thank you. \n" ); document.write( "
Algebra.Com's Answer #602918 by mananth(16946)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Simple Interest = P * r *t\r
\n" ); document.write( "\n" ); document.write( "SI =1420\r
\n" ); document.write( "\n" ); document.write( "P = 28,400\r
\n" ); document.write( "\n" ); document.write( "t= 10 months = 10/12 years = 5/6\r
\n" ); document.write( "\n" ); document.write( "1420 = 28400*r*5/6\r
\n" ); document.write( "\n" ); document.write( "r= 1420*6/(28400*5)\r
\n" ); document.write( "\n" ); document.write( "r=0.06\r
\n" ); document.write( "\n" ); document.write( "rate percent = 6\r
\n" ); document.write( "\n" ); document.write( "6%
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