Kendra’s age is half the age of Justin. Kendra is 13 years old. Which of the following equations represents Justin’s age, a
?(1 point)
Responses
2a = 13
2 a equals 13
a + 12 = 13
a plus Start Fraction 1 over 2 End Fraction equals 13
13a = 2
13 a equals 2
12a = 13
Start Fraction 1 over 2 End Fraction a equals 13
The equation that represents Justin's age, a, is a + 12 = 13.
The correct equation that represents Justin's age is:
2a = 13
To find Justin's age, we first need to determine how Kendra's age is related to Justin's age. The question states that Kendra's age is half the age of Justin, and that Kendra is 13 years old.
So, we can set up the equation:
Kendra's age = Justin's age / 2
Substituting Kendra's age as 13, we have:
13 = Justin's age / 2
To isolate Justin's age, we can multiply both sides of the equation by 2:
2 * 13 = 2 * (Justin's age / 2)
26 = Justin's age
Therefore, Justin's age can be represented by the equation:
a = 26
None of the options provided in the responses match this equation.