The exchange rate in some prehistoric village was jagged rocks for every smooth pebbles. Also, one shiny rock could be traded for smooth pebbles. If Joaquin had jagged rocks, what is the maximum number of shiny rocks he could trade for?

In a flower bed, Joaquin plants Begonias for every Zinnias, and Marigolds for every Begonias. What is the ratio of Marigolds to Zinnias planted in the flower bed?

A mile is feet. Susan is able to walk a fast pace of miles per hour. How many feet will she walk in minutes?

You are planning a party. The maximum number of people the reception hall can hold is person for every square feet of space. If the hall is feet wide and feet long, how many people can you invite?

A cafeteria with tables can sit people. Some tables can sit people and some can sit people. What is the ratio of the number of -person tables to the number of -person tables?

A lawn can be mowed by people in hours. If people take the day off and do not help mow the grass, how many hours will it take to mow the lawn?

In the reptile house at the zoo, the ratio of snakes to lizards is to . After the zoo adds more snakes to the exhibit, the ratio changes to to . How many lizards are in the reptile house?

A small company's workforce consists of store employees, store managers, and corporate managers in the ratio . How many employees are either corporate managers or store managers if the company has a total of employees?

Tom wants to buy an aquarium. He has found that he needs one filter for the aquarium for every creatures or plants he puts in the tank. The fish he wants to get also requires special plants be present at plants for every fish. These plants need cleaning fish for every plants in order to flourish.

If Tom is going to buy filters, how many of the original fish he wanted will his aquarium support?

A bag contains marbles that are either red, blue, or green. The ratio of red to blue to green marbles is . If one-third of the red marbles and two-thirds of the green marbles are removed, what fraction of the remaining marbles in the bag will be blue?