Respuesta :
Answer:
Jodi and Mariah are sisters. Jodi is three years older than Mariah. Using one variable, write an expression to represent the sum of their ages. Make sure to explain what your variable represents.
(3+x)+x
Step-by-step explanation:
x=Mariah
Answer
x + (3 + x)
Step-by-step explanation:
Let Mariah's age be x, if so since Jodi is 3 years older than Mariah, then Jodi's age will be 3 + x
Then the sum of their ages will be x + (3 + x)