Henri dislikes doing chores, so he pays his little sister 10 per week to clean his bathroom. He has $250 to begin with. Write an equation to show how much money Henri has remaining after x number of weeks.

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.