Two rival dry cleaners both advertise their prices. Store A's prices are modeled by the expression 16x−2, where x is the number of items brought in. Store B's prices are modeled by the expression 4(4x+2), where x is the number of items brought in. When do the two stores charge the same rate? Could someone please help me solve this?

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.