I think it would be 79.75, I hope this helps!
I don’t understand that language
80 degrees. Angle CBD and angle BFH are corresponding so they are equal. Angles on a straight line add up to 180 degrees. 180-100=80
There are nine boxes in each pack. Garth bought 2 packs, all together containing 18 boxes. So 18÷2=9. Rico bought 4 packs, so 36 boxes divided by 4 equals 9. And so on. Your answer is 9 boxes = 1 pack.
It’s the first one I think!