To get to the other side of the lake, one can drive around it on Lake Road, go over the bridge or ride the ferry. How many different ways can one go across the lake and back?

5,6,9

Question

Mathematics

Hodges

23 May, 14:41

To get to the other side of the lake, one can drive around it on Lake Road, go over the bridge or ride the ferry. How many different ways can one go across the lake and back?

5,6,9

+3

Answers (1)

Know the Answer?

Shirley Fitzgerald · Answer 1

The answer is 9, here are all the possible combinations ...

road, road

road, bridge

road, ferry

bridge, bridge

bridge, ferry

bridge, road

ferry, ferry

ferry, bridge

ferry, boat

(or you can do 3 input combinations by 3 output combinations "3 x 3" = 9)

Cheers!

To get to the other side of the lake, one can drive around it on Lake Road, go over the bridge or ride the ferry. How many different ways can one go across the lake and back?5,6,9

To get to the other side of the lake, one can drive around it on Lake Road, go over the bridge or ride the ferry. How many different ways can one go across the lake and back?

5,6,9