GCF

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GCF

by beater » Sat Jan 31, 2009 3:14 pm
If x and y are positive integers, which of the following CANNOT be the greatest common divisor of 35x and 20y?
A. 5
B. 5(x – y)
C. 20x
D. 20y
E. 35x
Source: — Problem Solving |

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Re: GCF

by logitech » Sat Jan 31, 2009 3:26 pm
35X/20X = 7/4 not an integer. Choose (C)
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