Peak

Uphill leads 2 paths and one lift.

a) How many options back and forth are there?
b) How many options to get there and back by the not same path are there?
c) How many options back and forth are there that we go at least once a lift?

Correct answer:

a) n =  9
b) n =  6
c) n =  5

Step-by-step explanation:

na=(2+1)(2+1)=9
nb=(2+1)2=6
nb=21+12+11=5



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
See also our permutations calculator.
See also our variations calculator.
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: