Question

On a bus. Mia watched 8 people get off and 4 get on at the first stop, 3 people get off and 10 get on at the second stop, and 5 people get off and 7 get on at the third stop. If there are now 25 passengers, how many people were on the bus when Mia started counting?

Answer 1

30 people

x= # of people on the bus originally

(x-8+4)+(-5+7)+(-3+10)=25

x+-8+-5+-3+10+7+4=25

x+-16+21=25

x+-5=25

+5 +5

x=30

Answer 2

20 students to start.

20. 8 got off, 12. 4 got on, 16. 3 got off, 13. 10 got on, 23. 5 get off, 18. 7 get on, 25. There are 25 student now.