the average temperature of monday, tuesday and wednesday was 30degree celcius and that of tuesday, wenesday and thursday was 33 degree celcius. If the temperature on monday was 32 degree celcius. then the temperature on thursday was

• let mon=x, tue=y, wed=z and thu=k.
  Given : (x+y+z)/3 = 30.
  i.e x+y+z=90.
  (y+z+k)/3 = 33.
  i.e y+z+k=99.
  
  if x=32, then k = ?.
  
  eq(1)--> x+y+z=90 --> 32+y+z=90 --> y+z=90-32 --> y+z=58.
  
  eq(2)--> y+z+k=99 --> 58+k=99 --> k=99-58 --> k=41.
  
  temperature of thu is "41 deg", if temp of mon is 32.
  
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