"i am 3 times as old as sue is," frank said to ann. "on the other hand, i am 15 years older than john while sue is 1 year younger than john. how old am i?" if j represents john's age, then which of the following equations could be used to solve the problem? a 3(j + 15) = j - 1 b j + 15 = 3j - 1 c j + 15 = 3(j - 1)
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Category: mechanicalengineering |
Author: Sagi Boris
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