Respuesta :

so 33 rounds to 30, because 3 is less than 5. 89 rounds to 90, because 9 is greater that 5.

then do this:

30
+90
____
120

120 is your answer! I hope I helped you!
Round 33 to the nearest ten which is 30.Then round 89 to 90. Add 30+90. That is your answer!