2/8 is the answer because if you do 3-1 it would equal 2 and then you would put 2 over eight. You can even simplify it to 1/4 because 2 and 8 can both be divided by 2.
Well they painted HALF the room in 3/4 of an hour.
That means that, considering they keep up the same speed, it will take them 3/4 of an hour to do the OTHER half.
This means that it will take them....
1 and 1/2 hours to do their entire room.
F(n)=4n+1 seems to be the basic function for these sets.
baloon poodle requires 1 and giraffe requires 3 balloons.
i really hope this is the correct answer, sorry if I'm wrong.
if you want/need an explanation you can ask me and I'll explain how i did it