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posted by Brenda2 on Thursday, February 3, 2011 at 5:36pm.
write an equation that models how old in years each will be 60,55,8 when your ages add up to 150 years old.
(60+x) + (55+x) + (8+x) = 150 123 + 3 x = 150 3 x = 27 x = 9 69, 64, 17
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