The average temperature of the first three days is 27 C and that of the next three is 29 C . If the average of the whole week is 28.5 C, the temperature of the last day of the week is ?

The average temperature of the first three days is 27 C and that of t

1.	The average temperature of the first three days is 27 C and that of the next three is 29 C . If the average of the whole week is 28.5 C, the temperature of the last day of the week is ?
A.	10.5 C
B.	21 C
C.	31.5 C
D.	42 C
Answer» D. 42 C

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The average temperature of the first three days is 27 C and that of the next three is 29 C . If the average of the whole week is 28.5 C, the temperature of the last day of the week is ?

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