Question 1164137
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Regarding this problem, I just responded once today under this link


https://www.algebra.com/algebra/homework/word/misc/Miscellaneous_Word_Problems.faq.question.1164112.html



Hey, I just solved several similar problems for you today.



This one is a TWIN to one of them.



Yes,  these problems are advanced.


It only means that the student who comes with it,  should be adequate to the problem's complexity.


By giving you examples/templates of solutions,  I provided good starting position for you to attack them.


So,  I expected   1)  to get  "THANKS"  from you,   and   2)  to get your questions,  if you have difficulties in understanding.


Instead,  you ignore all these rules of civilized behavior and post this problem again.



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              What should I think about you after that ?


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Think   1 -  2 -  3  minutes on it.



And if you will not change your behavior and if you will continue to behave yourself in this way,  then I will change my tone.