Answer:
Lisa can shelve at least 6 books in 1 minute time.
<u>Explanation:</u>
Given:
The public library has volunteers shelve book after they have been returned.
Lisa shelve 165 book in 25 minutes.
Patricia shelves 198 books in 45 minutes.
To Find:
We have to find how many can Lisa shelve each minute?
Solution:
Now, we know that, number of books she can shelve = 
Number of books she can shelve =
= 6.6
Hence, she can shelve at least 6 books in 1 minute time.
A. A negative times a negative is a positive
v = w - 20
move -20 to the other side
sign changes from -20 to +20
to get w by itself
v+20= w-20+20
Answer:
w= v+20 or w= 20+v
Alright, so the answer for:
3) is 3v + 4