document.write( "Question 564756: The camera has 10.1 million pixels. The product of the pixels across the screen times the pixels up the screen gives the number of pixels the camera has. The ratio of pixels across the screen to pixels up the screen is 4 : 3. How many pixels does this camera have across the screen? Explain what you are calculating as you solve the problem. \n" ); document.write( "
Algebra.Com's Answer #852274 by mccravyedwin(408)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Ikleyn ignores the fact that there are exceptions to the 'rounding off' rule,:\r\n" );
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document.write( "\"Round up if first digit you're dropping is 5 or more\" rule, otherwise round\r\n" );
document.write( "down\". \r\n" );
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document.write( "One exception would be that if the question of a problem asks the number of\r\n" );
document.write( "people that can fit into a room, and your calculation gives 11.9, the answer\r\n" );
document.write( "would be 11 rather than 12.\r\n" );
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document.write( "The exceptions to that rule are in word problems dealing with things that we\r\n" );
document.write( "cannot have fractions of, such as people or pixels.  We must have whole \r\n" );
document.write( "numbers of people and pixels.\r\n" );
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document.write( "Therefore, in this problem we must be conservative and round down the number of\r\n" );
document.write( "pixels, for there is not enough room on the camera to squeeze in one whole extra\r\n" );
document.write( "pixel. \r\n" );
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document.write( "Answer: 3669, not 3670.\r\n" );
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document.write( "Also, Ikleyn frowns on the use of online technology. I see nothing wrong with it\r\n" );
document.write( "in solving word problems, for the skill in a word problem is translating English\r\n" );
document.write( "sentences to algebra sentences (aka equations). That is, setting up the\r\n" );
document.write( "equations, not solving them.\r\n" );
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document.write( "Edwin

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