Question

Michael had increased his personal best by 9 1/2 inches

Answer 1

Explanation:

Michael Stone improved upon his personal best by 9 1/2 inches that is he cleared pole which was fixed at 17 feet and 6 1/2 inches thereby creating a National and International Junior Olympics record.

Answer 2

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Explanation:

Michael Stone improved upon his personal best by 9 1/2 inches that is he cleared pole which was fixed at 17 feet and 6 1/2 inches thereby creating a National and International Junior Olympics record.

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