You own an auto repair shop. When you recycle old car batteries, you receive a $25 refund from the manufacturer. When your customers bring in their old batteries for recycling, you give them a $10 refund per battery. How much money do you make if you had 55 customers recycle old car batteries?

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.