Question

select the correct answer.
coles age is 3 years less than his sister tinas 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.

Explanation:

Step1: Analyze the relationship

Cole's age is 3 less than Tina's age (\(t\)). So Cole's age = \(t - 3\). We know Cole is 18, so the equation is \(t - 3 = 18\).

Step2: Solve for \(t\)

To find \(t\), add 3 to both sides of the equation \(t - 3 = 18\): \(t = 18 + 3 = 21\).

Answer:

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