Question
Tim had 87 buttons more than Ken at first. After Tim had given away 135 of his buttons to David, Ken had four times as many buttons as Tim. Find the number of buttons Tim had at first.
4 m

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Tim had 87 buttons more than Ken at first. After Tim had given away 135 of his buttons to David, Ken had four times as many buttons as Tim. Find the number of buttons Tim had at first.