The average temperature of June, July and August was 31 degrees. The average temperature of July, August and September was 30 degrees. If the temperature of June was 30 degrees, find the temperature of September (in degrees).
option:
a.25
b.26
c.27
d.28; The average temperature of June, July and August was 31 degrees. The average temperature of July, August and September was 30 degrees. If the temperature of June was 30 degrees, find the temperature of September (in degrees).; option:; a.25; b.26; c.27; d.28
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27 is answer
June July August = 31
July August Sept =30
June is 30
For June July August=30+july +august/3=31
63=july +august
Average July August=31.5
july +august+sept/3=30
63+sept=90
Sept = 27
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