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Mathematics 10 Online
OpenStudy (spicytaco1):

Five years ago, Jason was three times the age of his sister, Marquecia. Which equation models this situation? A) M = 3J + 5 B) J = 3M + 5 C) J =3(M - 5) D) J - 5 = 3(M - 5)

OpenStudy (luffingsails):

D is correct. 5 years ago means five years ago for both children.

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