Is the least common factor of a pair of numbers every equal to one of the numbers

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.

Combine the information in the problem and the chart using the average balance method to solve the problem.

Tom drove 206 miles in 3.9 hours. estimate his average speed.