document.write( "Question 215642: We have $4.50 in nickels, dimes and quarters. The value in cents of the quarters is one half the value in cents of the nickels and dimes together.
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document.write( "the number of nickels is 4 times the number of quarters. how many dimes are there? \n" );
document.write( "
Algebra.Com's Answer #162921 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! We have $4.50 in nickels, dimes and quarters. The value in cents of the quarters is one half the value in cents of the nickels and dimes together. \n" ); document.write( "the number of nickels is 4 times the number of quarters. how many dimes are there? \n" ); document.write( "-------------------------- \n" ); document.write( "Equations: \n" ); document.write( "Value Equation: 5n + 10d + 25q = 450 cents \n" ); document.write( "Value Equation: 25q = (1/2)(5n+10d) \n" ); document.write( "Quantity Equation: n = 4q \n" ); document.write( "------------------------------------- \n" ); document.write( "Simplify and Rearrange the equations: \n" ); document.write( "n + 2d + 5q = 90 \n" ); document.write( "n + 2d -10q = 0 \n" ); document.write( "n + 0d - 4q = 0 \n" ); document.write( "--------------------- \n" ); document.write( "I used the matrix function of my TI to get the followin: \n" ); document.write( "# of nickels = 24 \n" ); document.write( "# of dimes = 18 \n" ); document.write( "# of quarters = 6 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |