Answer:
Mrs. Smith would have 8 kids.
Step-by-step explanation:
if you had 1 brother for each sister, then you would have to calculate 2 for each 1 which is the same .thing as saying 4 times 2 which is 8
Answer:8 kids
I THINK IT WOULD BE B
hopefully this helps :)
x-y+30
6x-5x = x
10y-11y=-y
20-(-10)=30
answer is x-y+30