The average height of 5 children is 165 cm. Another child who is 135 cm tall Joins
the children. What is the average height of the 6 children now?
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Answer:
160
Step-by-step explanation:
Sum of heights of 5 children = 165(5) = 825
Now, sum of heights of 6 children = 825+135 =960
Avg of heights of 6 children = 960/6 = 160
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