Answer:
36
Step-by-step explanation:
divide the 72 pieces by 2, you already know that 6 + 6 is 12, and 30 +30 is 60, so add 60 and 12 and you get 72
1. x= 3/Y as a fraction btw
2. Same thing
Answer:

Step-by-step explanation:

Answer:
-1/2
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.