I did 150 divided by 4 and I got 37.5 I think I'm using the right math lol
145.3125 square feet will be painted with 4.6875 square feet unpainted.
Step-by-step explanation:
3n-2=2n
-2=2n-3n
-2=-n
-2=-n
divide by - to get 2
Answer:
(a) 5:13
(b) 5:8
Step-by-step explanation:
There are 13 books in all.
8 books are new.
13 - 8 = 5 books are used.
Ratio of used books to all books: 5 used books : 13 books in total.
Ratio of used books to new books: 5 used books : 8 new books.
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