The average temperature of first 4 days of a week was 37c and that of last...
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The average temperature of first 4 days of a week was 37c and that of last 4 days of the week was 41c. If the average temperature of the whole week was 39c, the temperature of 4" day was? th The average temperature of first 4 days of a week was 37c and that of last 4 days of the week was 41c. If the average temperature of the whole week was 39c, the temperature of 4" day was? th
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