Mathematics, 30.09.2019 12:30 destinee71

joseph's age is three times that of his sister, isabella. when you add joseph's age to isabella's age, you get 36. how old is joseph?
(a) write an equation that represents the situation. explain any variable used.
(b) solve the equation from part (a). show your work. state your solution as a complete sentence.

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joseph's age is three times that of his sister, isabella. when you add joseph's age to isabella's ag...