document.write( "Question 933020: Kelly spent exactly $3.21 using 7 coins.
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document.write( "Which coins could she have used? \n" );
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Algebra.Com's Answer #566546 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! I found two ways:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1 penny + 2 dimes + 2 half dollars + 2 silver dollars = 1*0.01 + 2*0.1 + 2*0.5 + 2*1 = 0.01 + 0.2 + 1 + 2 = $3.21\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1+2+2+2 = 7 coins total\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-----------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1 penny + 2 nickels + 1 dime + 3 silver dollars = 1*0.01 + 2*0.05 + 1*0.1 + 3*1 = 0.01 + 0.1 + 0.1 + 3 = $3.21\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1+2+1+3 = 7 coins total \n" ); document.write( " |