Answer:
the soda's are one$
and the snacks are three$
What you have to do here is divide 12 by 1/6, or you can also multiply 12 times the reciprocal of 1/6 which is 6. So 12 times 6 is 72, so the final answer is 72 pieces of poster board. YOU'RE WELCOME :)
Answer:
-9/10
Step-by-step explanation:
12/20 - 30/20
Since the denominators are the same, we can subtract the numerators
12-30 = -18
Put this over the denominator
-18/20
Simplify by dividing the top and bottom by 2
-9/10
18 + 36 = 18(1+2)
GCF is 18.