On.

The windshield wipers are controlled with an ON-OFF switch. The flowchart at right shows how this decision is made.

Start at the top of the chart then follow the line to the question:

is it raining?

The answer is either *true* or *false*.

- If the answer is
*true*,- follow the line labeled
*True*, - perform the instructions in the box "wipers on",
- follow the line to "continue".

- follow the line labeled

- If the answer is
*false*,- follow the line labeled
*False*, - perform the instructions in the box "wipers off",
- follow the line to "continue".

- follow the line labeled

How many ways can you go from "start" to "continue"?