SOLUTION: Mary is 6 years older than her brother. Mary’s brother is 4 years older than their cousin. If 4 times the cousins is the same as the sum of Mary and her brother. How old are the
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Question 1125720: Mary is 6 years older than her brother. Mary’s brother is 4 years older than their cousin. If 4 times the cousins is the same as the sum of Mary and her brother. How old are they? Answer by josgarithmetic(39618) (Show Source):
You can put this solution on YOUR website! Use a variable for the cousin's age, form a single equation from the description in this one variable.
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