Posted by Alexis on Thursday, January 13, 2011 at 11:26pm.
How do I answer this......Barry says 9x8x(any other number) will always be greater than the product of 2x9x4. Do you agree? Explain?

3 G Math  Jacob Cobbs, Thursday, January 13, 2011 at 11:31pm
nah.
"any number" can be negative

3 G Math  helper, Friday, January 14, 2011 at 12:21am
9 x 8 x any number = 72 x any number
2 x 9 x 4 = 72
the second one the FINAL answer is 72
the first one will be higher
if you multiply 72 by any other number but 1, because 72 x 1 = 72, then they will be equal
but if any number is greater than 1, then the first will be higher
I hope you can understand

3 G Math  Reiny, Friday, January 14, 2011 at 12:50am
but ....
what if the "any other number " is a proper fraction?
so the "any other number" has to be > 1
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