document.write( "Question 408941: A coin collection of nickels, dimes and quarters has a value of $10. There are twice as many dimes as quarters. There are 140 coins in all. How many nickels are in the collection? \n" ); document.write( "

Algebra.Com's Answer #287994 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "twice as many dimes as quarters.  There are 140 coins in all
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document.write( "Let x, 2x and (140-3x) represent the number of quarters, dimes and nickels respectively
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document.write( "Question states***CENTS makes sense
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document.write( " 25x + 10*2x + 5(140-3x) = 1000 CENTS
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document.write( "Solving for x
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document.write( "     30x = 300
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document.write( "       x = 10, number of quarters.   20 dimes and 110 nickels\r
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document.write( "CHECKING our Answer***
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document.write( " 25*10 + 10*20 + 5*110 = 250 + 200 + 550 = 1000 OR $10.00 \n" );
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