Mathematics
4.79 M Players
You need a room for 25 people. Each person needs 5 square feet of space. What is the smallest room can you use?
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?