Friday
April 25, 2014

Homework Help: Math - Divisibility and Factors

Posted by Venus on Tuesday, September 10, 2013 at 10:33pm.

If c and d are integers, d is divisible by 30, and cd is divisible by 20, c must be divisible by which of the following?
a) 2
b) 4
c) 5
d) 6
e) 10

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