Question 1185641
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Let me make a note regarding your writing.


In  Math problems in  English,  they  NEVER  use this combination of words  " four times more than . . . "


It is  PROHIBITED  in  Math problems in  English,  because it  ALWAYS  creates  AMBIGUOSITY.


They usually write  " four times as much as . . . "   or  " three times as much as . . . ",  depending on context.



THEREFORE,  I will not solve this problem,  waiting when you submit a correct/ (a corrected)  version.



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For your education,  read from this sources


https://english.stackexchange.com/questions/7894/x-times-as-many-as-or-x-times-more-than


https://web.augsburg.edu/~schield/MiloPapers/984OfSigCompare3.pdf




I am ready to accept your  " THANKS "  for my teaching.