Question 1208285
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Read your post to ensure that it is only a part (the second half) of the real problem, but not a whole problem.


For the whole problem, see this link


https://www.algebra.com/algebra/homework/word/travel/Travel_Word_Problems.faq.question.783767



The whole problem was posted to this forum many-many years ago 
(about 15 years ago) and solved here by one of our tutors.



In the future, READ what you post and do not allow submitting incomplete pieces of problems.



Have a nice day (!)