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25 November, 21:23

Cole's age is 3 years less than his sister Tina's age, t. If Cole is 18, which equation represents this situation, and how old is Tina?

A. The equation that represents this situation is t - 3 = 18. Tina is 21.

B. The equation that represents this situation is t + 3 = 18. Tina is 15.

C. The equation that represents this situation is 3 - t = 18. Tina is 21.

D. The equation that represents this situation is - 3 - t = 18. Tina is 15.

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Answers (2)
  1. 25 November, 21:46
    0
    The Answer Is A

    Step-by-step explanation:

    If cole is 18 and he is 3 years younger then tina then tina is 21 because if you add 18 and 3 you get 21 and to show the equation its t - 3 = 18.
  2. 25 November, 21:52
    0
    Option A is correct answer.

    Step-by-step explanation:

    Here age of Tina is given to be t

    Cole's age = 3 year less than Tina's age, that is t-3

    which is given to be 18

    therefore equating both we get

    t-3=18

    adding 3 both sides in order to solve for t, we get

    t = 18+3

    t = 21 years

    therefore Equation to find the age of Tina is t-3 = 18 and

    the age of Tina is 21 years.

    Therefore option A is correct answer.
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Home » Mathematics » Cole's age is 3 years less than his sister Tina's age, t. If Cole is 18, which equation represents this situation, and how old is Tina? A. The equation that represents this situation is t - 3 = 18. Tina is 21. B.
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