Mathematics, 23.04.2020 21:32, Tayannamorgan2373

Billy tells his sister Sarah that he is twice as old and twice as smart as her right now. Sarah says that in five years should be twice as old as she is now and that Billy won’t be. How old will they be in five years?

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Billy tells his sister Sarah that he is twice as old and twice as smart as her right now. Sarah says...