Question

There are 7 books on the floor. The number of books on the shelf is 2 more than 3 times a number of books on the floor. How many books are on the shelf

Answer 1

If there are 7 books on the floor, 7 x 3 is 21. Plus two extra books, 21 + 2 = 23. There are 23 books on the bookshelf.