Answer:
mn/3
Step-by-step explanation:
Step-by-step explanation:
The answer is B.
- Following the order of operations, we do parenthesis first.
- Multiply out the value against the parenthesis.
- This leaves us with 20 over 20. 20 goes into 20 only 1 time, so our final answer is 1.
1 (1+4) (4+6) (6+4) (4+1) 1
1 5 10 10 5 1