Each month, you add $20 more to your bank account. If you start off the first month with $100, use the table below to see how much money you will have at the fifth month.

Month |
1 |
2 |
3 |
4 |
5 |

Dollars |
100 |
120 |
? |
? |
$ |

If we fill in month 3, we find that you will have $140, and after month 4, you will have $160. This means that after month 5, you will have $180.