Posted by
A on
.
Perform the calculation mentally, show your work.
3 + 57 + 44 + 36

math 
Ms. Sue,
Your question doesn't make sense.
If you perform the calculation mentally, how can you show your work?

math 
Jen,
Maybe you are supposed to round and show your work? 0+60+40+40=140. Not sure if that's what your teacher meant or not.