document.write( "Question 354687: a Collection of 40 dimes and nickels is worth $2.90. How mkany nickels are ther? \n" ); document.write( "
Algebra.Com's Answer #253395 by ewatrrr(24785) You can put this solution on YOUR website! Hi, \n" ); document.write( "Let n be the number of nickels. then (40-n) will be the number of dimes. \n" ); document.write( ". \n" ); document.write( "question states** \n" ); document.write( "10(40-n) + 5n = 290 \n" ); document.write( ". \n" ); document.write( "simplify and solve \n" ); document.write( "400-10n + 5n = 290 \n" ); document.write( ". \n" ); document.write( "-5n = -110 \n" ); document.write( ". \n" ); document.write( "n = 22 the number of nickels \n" ); document.write( ". \n" ); document.write( "check your answer \n" ); document.write( "10*18 + 5*22 = 290 \n" ); document.write( " |