Question

A bus makes a stop at 2:30, letting off 15 people and letting on 5. The bus makes another stop ten minutes later to let off 5 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

x-15+5-5
x-10-5
x-15

There are 15 less people after the second stop on the bus than there were before the 2:30 stop.