If the ratio of apples to oranges in a fruit basket is 3:4, and there are 21 oranges in the basket, how many apples are there?

If the scale of a map is 1:25000, and the distance between two cities on the map is 5 centimeters, what is the actual distance between the cities?

If a recipe calls for 2 cups of flour to make 24 cookies, how much flour is needed to make 36 cookies?

If the ratio of cats to dogs in a neighborhood is 5:3, and there are 40 cats, how many dogs are there?

A recipe requires 2 cups of sugar to make 24 cookies. How much sugar is needed to make 36 cookies?

If a:b = 3:5 and b:c= 4:7, then a:c is equal to:

If a:b = 2:3 and b:c = 5:4, then a:c is equal to:

If the ratio of apples to oranges in a basket is 4:5 and there are 36 apples, how many oranges are there?

If a car travels 400 miles in 8 hours, what is its average speed?

If 10 books are shared equally between 2 people, how many books does each person receive?

If it takes 5 workers 10 days to complete a project, how many workers would be needed to complete the same project in 4 days?