This table shows the
prizes a teacher had in the box.
Prize Number in the Box
Bookmark 12
Pencil 8
Poster 4
The teacher will add more prizes to the box. He does not want to change the ratios among the three types of prizes. If he adds 2 more
pencils to the box, how many more bookmarks and how many more poster should he add to the box?
In the space below, show all the steps you used to solve the problem.
Enter your answers and your work in the space provided.