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)

Responses

18
18

4.5
4.5

27
27

72

Since each shelter received 18 books and there are 4 shelters, Micaela and her friends collected a total of 18 * 4 = <<18*4=72>>72 books. Answer: \boxed{72}.