Question

35. Mike kept track of the number of passengers on his bus, noticing the following:

•
•
•
•

Which expression represents the number of passengers on the bus after the fourth stop?
a. 2p + 5
b. 2p – 1
c. 2p – 5
d. 2p + 1

At the first stop, p passengers got on the empty bus.
At the second stop, the number of passengers doubled when more people got on.
At the third stop, 3 passengers got off the bus and no passengers got on.
At the fourth stop, 2 passengers got on the bus and no passengers got off.

Answer 1

1. p passengers
2. 2p
3. 2p - 3
then 2 got on at 4th stop

so ?