Using Ratios to Create Proportions

Create ratios and then answer the following questions using proportions:

1. If Stephanie can make two pizzas in 15 minutes, how many pizzas can she make in 90 minutes?
2. If John can bike 15 miles in 25 minutes, how many minutes will it take him to bike 9 miles?
3. If Allison can write 3 word problems is 12 minutes, how many problems can she write in 3 hours?
4. If Alex can swim 4 miles in 20 minutes, how long will it take him to swim 7 miles?
5. If Laetitia can jog 2 miles in 30 minutes, how long will it take her to jog 5 miles?
6. If Lottie can cycle 6 miles in 10 minutes, how long will it take her to cyle 15 miles?
7. If a dozen eggs costs \$2.40, then how much do 4 eggs cost?
8. If a dozen eggs costs \$1.20, then how much do 7 eggs cost?
9. If a half-dozen eggs costs 60 cents, then how much do 3 eggs cost?
10. If six sodas cost \$7.00, then how much do 2 sodas cost?
11. If 20 pencils cost \$1.85, then then 5 pencils cost how much?
12. If a dozen cupcakes cost \$15, then five cupcakes cost how much?