A cup of tea cools from 65.5^@C to 62.55...

A cup of tea cools from `65.5^@`C to `62.55^@C` in one minute is a room at `225 .^@C.` How long will the same cup of tea take to cool from `46.5^@C` to `40.5^@C` in the same room ? (Choose the nearest value in min).

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