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.

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.

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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Step-by-step explanation: