document.write( "Question 279354: jack and betty have 28 coins that are nickels and dimes if the value of the coins is $1.95 how many coins of each type do they have\r
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Algebra.Com's Answer #203124 by JBarnum(2146)\"\" \"About 
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nickel=.05 N= amount of nikels
\n" ); document.write( "dime=.10 D= amount of dimes
\n" ); document.write( "N+D=28
\n" ); document.write( ".05N+.10D=1.95
\n" ); document.write( "u can either use substitution or elimination method. im going to use elimination method
\n" ); document.write( "\"N%2BD=28\"multiply this line by -.10 to get:
\n" ); document.write( "\"-.10N-.10D=-2.8\"
\n" ); document.write( "\".05N%2B.10D=1.95\" add these to equations together
\n" ); document.write( "\"-.05N=-.85\"divide
\n" ); document.write( "\"N=17\"
\n" ); document.write( "N+D=28
\n" ); document.write( "\"17%2BD=28\"
\n" ); document.write( "\"D=11\"
\n" ); document.write( "check
\n" ); document.write( ".05N+.10D=1.95
\n" ); document.write( "\".05%2817%29%2B.10%2811%29=1.95\"
\n" ); document.write( "\".85%2B1.10=1.95\"
\n" ); document.write( "\"1.95=1.95\" correct
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