Rates Ratios and Proportions (Unit 4)

Tony bought 4 shirts for $36. At this rate, what would his cost be for 7 shirts?

When going for a typing test 80 words per minute is considered acceptable. How many words per 30 minutes is this?

Sara took 8 quizzes in a 2 week period. How many weeks of school will Sara have to attend before she will have taken a total of 20 quizzes?

The cost for entry to the theme park was $12 for 4 students. How many students can go, at most, if they have $15?

Autumn used 8 centimeters of tape to wrap 4 presents. How many presents did she wrap if she used 30 centimeters of tape?

Giuseppe attends a culinary school where he learned 15 appetizer recipes in the first 3 weeks. How many weeks will it take for him to know a total of 20 appetizer recipes?

Mrs. Bertucci made homemade salsa. After 5 days she made 25 quarts of salsa. How many quarts of salsa did she make after 7 days?

Ruby spends 100 hours in 1 month practicing the piano. If 1 month = 4 weeks how many hours does she practice in 9 weeks?

If 3 pounds of apples cost $0.90, how much will 10 pounds cost?

Hurricane Albert dropped about 14 inches of rain over a 48 hour period. How much rain is this per hour?