document.write( "Question 1192752: Molly has a jar with nickels, dimes and quarters in it. The ratio of the number of quarters to the number of dimes to the number of nickels in the jar is 9:3:1. The total value of all the coins in the Jar is $18.20. How many coins does molly have in her jar? \n" ); document.write( "

Algebra.Com's Answer #824644 by ikleyn(52802) $\"\"$ $\"About$

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\n" ); document.write( "Molly has a jar with nickels, dimes and quarters in it.
\n" ); document.write( "The ratio of the number of quarters to the number of dimes to the number of nickels
\n" ); document.write( "in the jar is 9:3:1. The total value of all the coins in the Jar is $18.20.
\n" ); document.write( "How many coins does molly have in her jar?
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document.write( "There are x nickels, 3x dimes, and 9x quarters in the jar,\r\n" );
document.write( "where x is the common measure (now unknown value).\r\n" );
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document.write( "The total money equation is\r\n" );
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document.write( "    5x + (3x)*10 + (9x)*25 = 1820  cents.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    5x + 30x + 225x = 1820\r\n" );
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document.write( "         260x = 1820\r\n" );
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document.write( "            x = 1820/260 = 7.\r\n" );
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document.write( "ANSWER.  7 nickels, 3*7 = 21 dimes and 63 quarters.\r\n" );
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document.write( "CHECK.  7*5 + 21*10 + 63*25 = 1820 cents, in total.    ! correct !\r\n" );
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\n" ); document.write( "\n" ); document.write( "Instead of writing equations, you could solve the problem mentally, using the grouping method.\r
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