There are 7 different roads between town A and town B, 4 different roads between town B and town C, and 2 different roads between town A and town C. There are 900 different possible routes between A and C. d) how many different routes are there from A to C and back that do not use any roads twice?
There are 7 different roads between town A and town B, 4 different roads between town B and town C, and 2 different roads between town A and town C. There are 900 different possible routes between A and C. d) how many different routes are there from A to C and back that do not use any roads twice?
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...
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There are 7 different roads between town A and town B, 4 different roads between town B and town C, and 2 different roads between town A and town C.
There are 900 different possible routes between A and C.
d) how many different routes are there from A to C and back that do not use any roads twice?
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