1 Answer

Ben Clarke · Answer 1 · 2021-08-08T20:08:05+0000

Answer:

7 books

Explanation:

Since you know that 5 books cost $15, you can assume that each book costs $3. Since this is your assumption (which we know is true) you can divide 21 by 3, which gives you 7.

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions