1. Ellie grew 10 plants with 5 seed packets. With 6 seed packets, how many total plants can Ellie have in her backyard? Solve using unit rates.
2. In math class the ratio of girls to boys is 9 to 4. If there are a total of 26 students, how many girls are there? Use a tape diagram to solve.
3. Denise took a total of 6 quizzes over the course of 2 weeks. How many weeks of school will Denise have to attend this quarter before she will have taken a total of 9 quizzes? Solve using unit rates.
4. If I bought 6 pencils for $2.70, how much did I pay for one pencil? Show on a model.