Micaela and three of her friends volunteered to collect children's books for the city's

homeless shelters. There are 4 homeless shelters in the area, and each shelter
received 18 books. How many books did Micaela and her three friends collect
altogether? (1 point)
○ 72
○ 4.5
○ 18
27

The total number of books collected by Micaela and her three friends can be calculated by multiplying the number of shelters by the number of books each shelter received.

4 shelters * 18 books = 72 books
Therefore, Micaela and her three friends collected a total of 72 books.
Answer: 72