Alan and Dirk each want to run for president of their school's student body council. In order to do so, they must collect a certain number of signatures and get a nomination.
So far, Alan has 7 signatures, and Dirk has 5. Alan is collecting signatures at an average
rate of 2 per day, whereas Dirk is averaging 4 signatures every day.
Write a system of linear equations to represent the situation

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 california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.