Question 564756
<pre>
Ikleyn ignores the fact that there are exceptions to the 'rounding off' rule,:
 
"Round up if first digit you're dropping is 5 or more" rule, otherwise round
down". 

One exception would be that if the question of a problem asks the number of
people that can fit into a room, and your calculation gives 11.9, the answer
would be 11 rather than 12.

The exceptions to that rule are in word problems dealing with things that we
cannot have fractions of, such as people or pixels.  We must have whole 
numbers of people and pixels.

Therefore, in this problem we must be conservative and round down the number of
pixels, for there is not enough room on the camera to squeeze in one whole extra
pixel. 

Answer: 3669, not 3670.

Also, Ikleyn frowns on the use of online technology. I see nothing wrong with it
in solving word problems, for the skill in a word problem is translating English
sentences to algebra sentences (aka equations). That is, setting up the
equations, not solving them.
  
Edwin</pre>