Respuesta :

D because if Dawn is 3 years older than Sara then to get Sara's age you subtract 3 from x (aka Dawns age)

-dawn is 3 years older than sara

-sara is older than dawn

-dawn age is x

...so if dawns age is 3 years older than sara

then you would subtract

example:

lets say your 14 you have a cuzon that is 11

14-11=3

so that mean that you are 3 years older

hope this makes sense and plz mark brainliest!!!

ask me if you need more help!!