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SAT math question :D Help needed!! SAT math question :D Help needed!!
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Old 06-03-2006, 11:20 AM   #1
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Join Date: Feb 2006
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SAT math question :D Help needed!!
If g is a positive integer, which of the following must represent an even integer that is four times the value of an odd integer?

A) 2g+2
B) 4g
C) 4g+2
D) 4g-2
E) 8g-4
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Old 06-03-2006, 12:04 PM   #2
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The way to write an odd integer in terms of any interger "g" is 2g+1 or 2g-1. Multiply "2g-1" by 4, and you get 8g-4. Since this number can be divided by 2, it must also be even.
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