Mizing and his family arrived at old faithful to find a sign indicating they had just missed an eruption and that it would be approximately 2 hours before the next one. how long was the eruption they missed? explain how you determined your answer.

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Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.