Eleanor has 3 red marbles. She has 2 more blue marbles than red. She has the same number of green marbles as blue. What is the total number of red, blue, and green marbles that Eleanor has?
The dot plot shows the number of books that 17 students keep in their desks. Each dot represents 1 student.
How many students keep 2 books in their desks? _______
How many students keep 4 books in their desks? _______
How many students keep 7 books in their desks? _______