Kendra's age is half the age of Justin Kendra is 13 years old. Which of the following equations represents Justin's age, a?
a + 1/2 = 13
O 2a = 13
1/2 * a = 13
O 13a = 2
The correct equation would be:
2a = 13
Justin's age, represented by 'a', is twice Kendra's age.