document.write( "Question 218652: 1..calculate the simple interest on a loan of $18.500 at 11% annual interest for 18months.
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document.write( "2..an amusement park purchased equipment from a manufacturer for a list price 42,000,minus trade discounts of 30/20/15. calculate the amount of trade discount on the purchase.
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document.write( "3...a retail jewler sells a pair of gold earrings for 213.90. the jewler uses a 130% markup based on cost. what was thw wholesale cost of the earrings.
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document.write( "4..what would be the amount of compound interest on $6,000 invested for two years at 9% compounded semiannually? \n" );
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Algebra.Com's Answer #164694 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 1) \n" ); document.write( "I=Prt \n" ); document.write( "I=18500(.11)(1.5)=3052.50 \n" ); document.write( "2) \n" ); document.write( "42000(.7)=29400 \n" ); document.write( "29400(.8)=23520 \n" ); document.write( "23520(.85)=19992 \n" ); document.write( "42000-19992=$22,008 discount \n" ); document.write( "3) \n" ); document.write( "213.90/2.30=$93\r \n" ); document.write( "\n" ); document.write( "4) \n" ); document.write( "A=P(1+r/n)^nt \n" ); document.write( "A=6000(1+.09/2)^2*2 \n" ); document.write( "A=6000(1.045)^4 \n" ); document.write( "A=6000(1.1925186) \n" ); document.write( "A=7155.11 \n" ); document.write( "7155.11-6000=$1155.11 interest\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |