Whenever martin has a restaurant bill with an amount between $10 and $99, he calculates the dollar amount of the tip as

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Whenever martin has a restaurant bill with an amount between $10 and $99, he calculates the dollar amount of the tip as 2 times the tens digit of the amount of his bill. If the amount of the Martin's most recent restaurant bill was between $10 and $99, was the tip calculated by the martin on this bill greater than 15 percent of the amount of the bill?

(1) The amount of the bill was between $15 and $50
(2) The tip calculated by the martin was $8

[spoiler]OA=B[/spoiler]

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