document.write( "Question 581026: if you have only dimes, quarters, and 1-dollar bills, in how many ways
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Algebra.Com's Answer #371433 by Edwin McCravy(20055)\"\" \"About 
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document.write( "We can't have an odd number of quarters, because an odd number\r\n" );
document.write( "of 25s would make up a number of cents that would end with a 5, \r\n" );
document.write( "and since we have no nickels, it would be impossible to make \r\n" );
document.write( "$3.00 using an odd number of quarters.  So we can only have an \r\n" );
document.write( "even number of quarters.\r\n" );
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document.write( "If we don't use any 1-dollar bills, we can have 0,2,4,6,8,10,or 12 \r\n" );
document.write( "quarters and the rest, if any, all in dimes.\r\n" );
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document.write( "That's 7 ways.\r\n" );
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document.write( "If we use one 1-dollar bill, we can have 0,2,4,6, or 8 quarters, and\r\n" );
document.write( "the rest, if any, all in dimes.\r\n" );
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document.write( "That's 5 more ways.\r\n" );
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document.write( "If we use two 1-dollar bill, we can have 0,2, or 4 quarters, and\r\n" );
document.write( "the rest, if any, in dimes.\r\n" );
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document.write( "That's 3 more ways.\r\n" );
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document.write( "Then there's one more way, 3 1-dollar bills.\r\n" );
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document.write( "So that's 7 + 5 + 3 + 1 = 16 ways to have $3 using only 1-dollar bills,\r\n" );
document.write( "quarters and dimes.\r\n" );
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document.write( "Edwin
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