The average temperature of days from monday to wednesday is 37 degree celsius and that of from tuesday to thursday is 34 degrees. the temperature of thursday is 4/5th of monday. then the temperature of thursday is?
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av. tem. of M,t,w=37°c
so m+t+w=37*3=111 .......... 1
now av. tem. of t,w,th= 34°c
so t+w+th= 34*3=102 ..........2
sub. eqn 1-2
m+t+w=37*3=111
t+w+th= 34*3=102
So m.-th.= 9 ....... 3
but th.=4/5 of m.
putting the value of th. in eqn 3
m-4/5m=9
(5m-4m)/5=9
So m.= 45
there for
tem. of thu.= 4/5 of Mon.
=4/5 of 45
= 36°c
so m+t+w=37*3=111 .......... 1
now av. tem. of t,w,th= 34°c
so t+w+th= 34*3=102 ..........2
sub. eqn 1-2
m+t+w=37*3=111
t+w+th= 34*3=102
So m.-th.= 9 ....... 3
but th.=4/5 of m.
putting the value of th. in eqn 3
m-4/5m=9
(5m-4m)/5=9
So m.= 45
there for
tem. of thu.= 4/5 of Mon.
=4/5 of 45
= 36°c
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