Answer: False. 21 Shelves.
Step-by-step explanation:
First, 12 x 31= 372
This indicates that there are 372 books.
Then, 372 ÷ 18= 20.6666666667
Since we have a decimal that is above 4 we round up.
This leaves 21 shelves needed for all the books o fit on a shelf.
Answer:
495.3/950 and then mutiply by 100
$12.50
20 - 7.50=12.50
50 millimeters
keystrokes
