Your today’s progress
2
Answered
1
Correct
50%
Accuracy
You know what? You’re otterly amazing! 🦦
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?
The right answer is: 21
20x5 - 23 - 17 - 20 - 19 = 21
Get new
Mathematics
quiz
Get random quiz
Literature
2.4 M Players
What is the name of Jerome K. Jerome's novel – the continuation of the book "Three Men In A Boat (To Say Nothing Of The Dog)"?