Answer:
25
Step-by-step explanation:

Answer:
there that should help
Step-by-step explanation:
I think 51 because if you were to do it reverse then it would be 40x4=160 then -35-36-38 it would be 51.
54 rounded to the nearest 10 would be 50 because 54 is closer to 50 than 60.
So, the answer is 50.
Hope it helps