How many positive integers from 1-100 (including 1 and 100) are divisible by 3 or by 5, but not by both?

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

If you could answer these your a life saver

Select all of the following expressions that are equal to 2.5.