Question 57237
1.  a number divisible by 6 is also divisible by 3
 Is true because the divisibility rule for 6 is if the number is even and divisible by 3 then the number is divisible by 6.  Being divisible by three is part of the rule.
Observe:
12/6=2  and 12/3=4
24/6=4 and 24/3=8
ect. ect. ect.
Happy Calculating!!!