I believe it is the commutative property of multiplication. Commutative property is you can put the numbers in any order and it will have the same end result. I got multiplication because it is multiplication.
Hope this helps!
Answer:
-11
Step-by-step explanation:
Given

Use properties:

Thus,

Answer:
2
Step-by-step explanation:
Answer:
he spent $68 without the fees and $32 on fees
Step-by-step explanation:
Sharon's age= 2x
Brian's age= x
(2x-5)+(x-5)= 25
3x-10=25
3x=15
x=5
Brian is 5 years old and Sharon is 10