The average temperature on the first three days of the week was 5 degree Celsius. If the average temperature on the first two days was 9 degree Celsius. What was the temperature on the third day. Pls give explanation.
Options
A) 7 degree
B) 3 degree
C) -3 degree
D)-7 degree
Answers
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A) 7 degree
Step-by-step explanation:
we take average of first 2 days
5+9/2
14/2
7
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