Alexa is x years old. Her sister, Gloria, is 7 years older than Alexa. Their grandfather is ﬁve times as old as Gloria. Write and simplify an expression that represents their grandfather’s age in years.

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Alexa is x years old. Her sister, Gloria, is 7 years older than Alexa. Their grandfather is ﬁve times as old as Gloria. Write and simplify an expression that represents their gr…

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