The length of a football pitch is specified as 92 metres correct to the nearest metre.

Zara says the length could not be less than 91.5 metres.

Lilly says the length could be less than 91.5 metres.

What is the correct answer?

Zara is correct as anything less than 91.5 m would be rounded down to 91m.

Lilly is correct as 91.49 could be rounded to 92 m, for example.

Neither girl is correct as the pitch could never be 91.5 m.

Both girls are correct.

None of them.

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