I believe its already in standard form so you would just add it
Fractions are one number over another number
Answer:
4
Step-by-step explanation:
2lw + 2hw + 2lh = 2(3)(2.2) + 2(7.5)(2.2) + 2(3)(7.5) = 91.2
150 books-86 books= 64 books.
We originally have 86 books, so the percent of increase is:
64 books/ 86 books* 100%= 74.42%
The percent of increase is 74.42%~