40 POINTS been stuck on this i'd mean alot for yall to help i'll mark brianliest

Answer:
For the first blank: 8
For the second blank: I think it's 913
Step-by-step explanation:
First blank: To find the area of a square do (Length * Width) For the roof do 15 * 25 to get 375. Then divide by 100 and you get 3.75 but round to 4
That's for 1 half of the roof so do cover the whole roof you need 8.
Answer:
First blank 8 second blank 913
Step-by-step explanation:
Ive done the same question before