document.write( "Question 346431: if there is 46 coins that equals $5.60, how many quarters and nickels are there in each using only those two coins \n" ); document.write( "
Algebra.Com's Answer #247699 by fractalier(6550) You can put this solution on YOUR website! Let n be the number of nickels and q be the number of quarters. Thus \n" ); document.write( "n + q = 46 \n" ); document.write( "Then we write the \"value\" equation... \n" ); document.write( "5n + 25q = 560 \n" ); document.write( "Notice that we write $5.60 as 560 cents... \n" ); document.write( "Now solve the equations by multiplying the first one by five and subtracting... \n" ); document.write( "5n + 25q = 560 \n" ); document.write( "-(5n + 5q = 230) \n" ); document.write( "we get \n" ); document.write( "20q = 330 \n" ); document.write( "and q = 16.5 quarters...not possible... \n" ); document.write( "It appears that either there is no solution or you copied it incorrectly... \n" ); document.write( " |