document.write( "Question 370599: May has 3 times as many dimes as nickels. In all she has $1.40. How many coins of each type does she have?
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Algebra.Com's Answer #264154 by mananth(16949) You can put this solution on YOUR website! let her have x nickels \n" ); document.write( "dimes = 3x \n" ); document.write( ".. \n" ); document.write( "total money =$ 1.40 = 140 cents \n" ); document.write( "... \n" ); document.write( "5x+10*3x=140 \n" ); document.write( "35x=140 \n" ); document.write( "/35 \n" ); document.write( "x=140/35 \n" ); document.write( "x = 4 the number of nickels \n" ); document.write( ".. \n" ); document.write( "dimes = 3x = 3*4 =12 \n" ); document.write( ".. \n" ); document.write( "CHECK \n" ); document.write( "12*10+4*5 = 140 cents \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |