This week in your lawn mowing business, you spent $20 on gas and $110 on a secondhand mower. you and your sister made $420 this week (before expenses). you each spent about 10 hours mowing. how much did you make an hour?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

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