The average temperature of the first 4 days of a week was 37 C and that of the last 4 days of the week was 41 C. If the average temperature of the whole week was 39 C, the temperature of the fourth day was

The average temperature of the first 4 days of a week was 37 C and tha

1.	The average temperature of the first 4 days of a week was 37 C and that of the last 4 days of the week was 41 C. If the average temperature of the whole week was 39 C, the temperature of the fourth day was
A.	38 C
B.	38.5 C
C.	39 C
D.	40 C
Answer» D. 40 C

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The average temperature of the first 4 days of a week was 37 C and that of the last 4 days of the week was 41 C. If the average temperature of the whole week was 39 C, the temperature of the fourth day was

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