Question

There are seven roads that lead to the top of a hill. How many different ways are there to reach the top and then go back down?

Answer 1

two I have no idea of the question

Answer 2

Answer: 49 ways

Step-by-step explanation: 7 possible ways up, 7 ways down

Up and back on Rt 1, Up on Rt 1 down on Rt2 Up on Rt 1 down on Rt3. . . . . Up on Rt 7, down on Rt7

You can imagine what was left out of the explanation.

Just Multiply 7×7 = 49