Answer: 54 students in each bus
Step-by-step explanation:
331 - 7 = 324
324 ÷ 6 = 54.
There were 54 students in each bus.
9. 31 + 5 = 36
10. 16 - 4 = 12
12. 9
13. 44 + 34 = 78
14. 101 - 1 = 100
15. -539 ???
16. 15 ??
17. |-435| = 435
Answer: 25 hours
Step-by-step explanation:

8 screens
or

Replace;



all "atomic" or constituent statements are true
at least one "atomic" or constituent statement is true
Its basically just subtracting from one another
for example, 6-6 is 6
or -4-3= 7