## Prepare a Presentation

## Work Time

# Prepare a Presentation

Explain how you made the tape diagram for Emma's DVD collection and how you used tape diagrams to help solve both problems.

# Challenge Problem

Emma bought 4 more drama DVDs and some more mystery DVDs at a yard sale. The ratio of drama DVDs to mystery DVDs in her DVD collection is now 8:5.

- How many mystery DVDs did she buy? Draw a tape diagram and use it to solve this problem.