The correct answer is A and B because if you replace the m's with 4 than you do get the answer at the end of the equation. Hope this helps.
Answer:
The answer is B
Step-by-step explanation:
3+3+3+13+13+13
This is 3 times 3
This is also 3 times 13
Which would be 3(3+13)
Answer:
D) 57
Step-by-step explanation:
1/3x- 1/2 = 18 1/2
1/3x = 19
(3) * 1/3x = 19 (3)
x = 57