You can put this solution on YOUR website! madeline is 3 times as old as her cousin the total of their ages is 36.how old is madeline cousin?
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m = 3c
m + c = 36
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Substitute for "m" and solve for "c":
3c + c = 36
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4c = 36
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cousin = 9 yrs old
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Cheers,
Stan H.
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