Can you pass this Mathematics quiz?
Erin reads an average of 20 books per year. She read 23, 17, 20, and 19 books in four different years. How many books did Erin read in the 5th year to make it an average of exactly 20.0 per year?
17
20
21
19
Browse Quizzes by Category
Hot Quizzes Trending Now
Space
3.46 M Players
What was the name of the first artificial satellite sent into space by the USA?