Justin is 2 years older than one third Marcella's age. Aimee is four years younger than 2 Times Justin's age. Define a variable and write an expression to represent Justin's age. Then find Justin's age and Aimee's age if Marcella is 63 years old.

Question

Tamara Gamble

Mathematics

8 May, 11:23

Justin is 2 years older than one third Marcella's age. Aimee is four years younger than 2 Times Justin's age. Define a variable and write an expression to represent Justin's age. Then find Justin's age and Aimee's age if Marcella is 63 years old.

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Answers (2)

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Desmond May · Answer 1

M x 1/3 + 2. The variable is Marcella's age. If Marcella is 63, one third of her age is 21 so 21+2 = Justin is 23. Aimee is 23x2-4 so she is 62 years old.

Elise Russell · Answer 2

J = (1/3) m + 2, and

a = 2j - 4

If Marcella (m) is 63, then Justin is (1/3) (63) + 2, or 23. (23 years old)

Aimee (a) is 2 (23) - 4 years old, or 46-4, or 42 years old.