The average temperature of may, july and august was 31 degrees. The average temperature of july, august and october was 30 degrees. If the temperature of may was 30 degrees, find the temperature of october (in degrees).
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Answer:29
Step-by-step explanation:by taking them as proportionaly
31/30=30/x (leting the temperature be x)
=X=30•30/31
=900/31
=29.03
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