For the #2 it would be 3 because 50 goes into 138 2 times which will give you 100 with a remainder of 38. You can't leave behind the other 38 so you will bring another bus.
Answer:
200
Step-by-step explanation:
200-40% = 180
if we were to have 100-40% it would be 60 but since it's 200 it is now less of a % reduced