document.write( "Question 187585: Please Help me solve this word problem...\r
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document.write( "Camille has 19 coins consisting of nickels, dimes, and quarters. The value of the coins is $1.60. If she has six times as many nickels as quarters, then how many of each does she have?\r
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document.write( "I tried:
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document.write( "x= nickles
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document.write( "Y = quarters
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document.write( "so 6x + y = 1.60? I thought there was a way to try and isolate each variable. Like doing y= 1.60 -6x , y= 1.60 - 6(19) I don't think that's right...
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Algebra.Com's Answer #140596 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Camille has 19 coins consisting of nickels, dimes, and quarters. The value of the coins is $1.60. If she has six times as many nickels as quarters, then how many of each does she have? \n" ); document.write( "------------------------------------------ \n" ); document.write( "Equations: \n" ); document.write( "Quantity Equation: n + d + q = 19 \n" ); document.write( "Value Equation...:5n + 10d +25q = 160 cents \n" ); document.write( "Quantity Eq......:n = 6q \n" ); document.write( "----------------------------------- \n" ); document.write( "Rearrange the 3 equation: \n" ); document.write( " n + d + q = 19 \n" ); document.write( "5n + 10d +25q = 160 \n" ); document.write( " n + 0 - 6q = 0 \n" ); document.write( "-------------------------- \n" ); document.write( "Use any method you know to solve this system of three equations to get: \n" ); document.write( "n = 12 \n" ); document.write( "d = 5 \n" ); document.write( "q = 2 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |