At an office supply store, Rachel bought 5 erasers, 15 pens, and 40 pencils. What is ratio of the number of erasers to the number of pens to the number of pencils she bought?

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income