John bought 15 cookies and ate 3 of them. He ate___% of the cookies. Explain!! <3

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

(x-5)1/2+5=2 what is a possible solution?