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Roger ran 2.5 miles the first day of the fundraiser, 3.6 miles the second day of fundraiser, and 4.5 miles the last day of fundraiser. If he earned $0.10 per foot for
charity, how much did he earn?

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.