Can someone please help me on my math question I’m giving 48 points ... please explain

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Can someone me out here and the tell me the greatest common factor