document.write( "Question 12236: coin collection worth $2.90 contains nickels, dimes, and quaters. There are three times as many dimes as there are nickels, and the number of quarters is 2 more than the number of nickels \n" ); document.write( "
Algebra.Com's Answer #11572 by stanbon!(97)\"\" \"About 
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Let number of nickels be \"x\".
\n" ); document.write( "Then number of dimes is \"3x\".
\n" ); document.write( "And number of quarters is \"x+2\".
\n" ); document.write( "Value of nickels is (5)x cents.
\n" ); document.write( "Value of dimes is (10)(3x)= 30x cents
\n" ); document.write( "Value of quarters is (25)(x+2)=25x+50 cents
\n" ); document.write( "EQUATION:
\n" ); document.write( "Value of nickels + Value of dimes + Value of quarters is 290 cents.
\n" ); document.write( "5x + 30x + 25x+50 = 290
\n" ); document.write( " 60x=240
\n" ); document.write( " x= 4 (number os nickels)
\n" ); document.write( " 3x= 12 (number of dimes)
\n" ); document.write( " x+2= 6 (number of quarters)\r
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