Answer:

Step-by-step explanation:

Total people x,
then, 3.5x + 5.5x + 6 = 51
simplify, 9x +6 = 51
subtract 6 on both sides, 9x= 45
divide by 9 on both sides, x= 5
therefore, total 5 people in the family.
not sure about Netflix I'm 13 so maybe sweet home if you like horror and got it's about a monster outbreak it's insane also read the original story on the app called webtoons if you wanna it's more of a apocalypse more than horror