SOLUTION: There are four routes (call them P, Q, R and S) between Amy’s home and her place of work. Route Q is one-way so that she cannot take it on the way to work. Route R is one-way so th
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-> SOLUTION: There are four routes (call them P, Q, R and S) between Amy’s home and her place of work. Route Q is one-way so that she cannot take it on the way to work. Route R is one-way so th
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Question 771861: There are four routes (call them P, Q, R and S) between Amy’s home and her place of work. Route Q is one-way so that she cannot take it on the way to work. Route R is one-way so that she cannot take it on the way home.
4) In how many ways can Amy go to and from work?
A. 7
B. 9
C. 8
D. 6
E. 16
5) In how many ways can Amy go to and from work without taking the same
route both ways?
A. 3
B. 5
C. 7
D. 9
E. 6 Answer by oscargut(2103) (Show Source):