Once again Bri needs help so ya btw make it a step-by-step please

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

Ineed on these fraction questions! could'ya me? 1. 3/8 ( ? ) 0.295 a. = b. > c. < 2. -0.770 ( ? ) -4/5 a. = b . < c. >

Ratio of circumference to diameter example plz i need to now what it looks like.