Can you pass this Science quiz?
Science
1.58 M People
Took This 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
Hot Quizzes Trending Now
Religion
1.37 M  Players
Who led the Israelites out of Egypt?
Science
3.79 M  Players
If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?