Question

A bus makes a stop at 2:30, letting off 12 people and letting on 9. The bus makes another stop ten minutes later to let off 4 more people. How does the number of people on the bus after the second stop compare to the number of people on the bus before the 2:30 stop?

Answer 1

Answer: bus makes a stop at 2:30, letting off 15 people and letting on 9

-15 + 9 = -6

The bus makes another stop ten mins later to let off 4 more people  

-4

Happy to Help! (Now i must go back to my planet ^^)