The average of Tuesday Wednesday and Thursday is 37 where as the average of Wednesday Thursday and Friday is 38

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
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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
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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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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