Layth swims in a 90m long pool. He covered 180m in 1min by swimming from one end to the other and back along the same path. Find the average of him.
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Answer:
135
Explanation:
Length of the pool = 90m
180 m covered in 1 min
So,
180 + 90. 270
________=. _____= 135
2. 2
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