6/8 because she painted half of her room in 3/4 of an hour and add half of that and you get 6/8! Hope this helps! Im not very good at math so don't judge me if its wrong...
I got 0.55 when I did this problem. If I am wrong I am so sorry and please correct me.
If by area you mean surface area then the answer is 248 square inches but if you mean volume the answer is 240 cubed inches.
Square. Because there is 2 right angles there are only 4 sides all which are perpendicular
