Yes, we need the sisters age to find it the answer, not trying to be rude we just need the sisters age.
So what u do is (29272829)+(-8382929)=(-7398)-n
The answer is B.)
The answers are using the distributive property. The distributive property multiplies both the numbers inside the parenthesis by the number that's on the outside of the parenthesis.
6x3 = 18, 6x4x=24x.
Hope this helps :) work hard!
