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All numbers that are divisible by both 3 and 10 are also divisible by:
A. 4
B. 9
C. 12
D. 15
E. 20
Pick and easy number that is divisible by both 3 and 10, say 30. Then divide 30 by each of the answer choices in turn. Stop when you find a number (15) that divides evenly into 30. 15 does this twice.
 
 
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OmegaMoo
OmegaMoo
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Taken: 0 times
Added: 11/24/2008
Liked: 1 time
Taggged: Math, SAT
 
 
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