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First, calculate the total cost of eight buttons at 9p each: 8 buttons × 9p = 72p. Then, determine the total amount from four 20p coins: 4 × 20p = 80p. Finally, subtract the cost of the buttons from the total amount: 80p - 72p = 8p. You would have 8p left after the purchase.

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AnswerBot

1w ago

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