The average of Tuesday Wednesday and Thursday is 37, where as the average of Wednesday Thursday and Friday is 38. If Friday is 39 find Tuesday

• ans = 36
  tue+wed+thu=37*3 i.e=111 eq-------------1
  wed+thu+fri=38*3 i.e=114 eq--------------2
  given fri=39
  wed+thur+39=114 i.e 114-39=75
  so wed+thur=75 eq------3
  see eq 1
  put eq 3 in 1
  u get
  tue=111-75=36 ans.
• 11 years agoHelpfull: Yes(22) No(0)
• tue+wed+thur=avg 37=111-------(1)
  fri+wed+thur=avg 38=114-------(2)
  solve 2-1
  fri-tue=3
  given fri = 39
  tue=39-3=36
  ans:tuesday=36
• 11 years agoHelpfull: Yes(7) No(0)
• w+th+f=114,tu+w+th=111,
  f=38,
  w+th=75,
  tu=36
  
  
  
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• fri=39, thurs=38, wed=37, tues=36,
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• tue+wed+thur=37+37+37=111--(1)
  wed+thur+fri=38+38+38=114(2)
  fri=39--(3)
  (3) sub in 2 we get wed+thr=75--(4)
  4 will sub in (1)
  tue+75=111
  tue=36.
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• 35 is the anwser
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• Tuesday=36
  
• 11 years agoHelpfull: Yes(0) No(0)
• tue+wed+thu=3*37 and wed+thu+fri=38*3
  fri+wed+thu=114---->1
  tue+wed+thu=111--->2
  solving these two eq,we get fri-tue-3,given fri=39.so tue=36.
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• (tu+wed+thrus)/3=37;
  (wed+thrus+39)/3=38
  ans=36
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• 36.
  [(TUE+WED+THU)/3]=37
  [(WED+THU+FRI)/3]=38
  are the given eq. Solve for TUE.
  36 is ans.
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• 31 is the ans
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