Benito spent $1578 to operate his car last year. some of these expenses are listed below. benito's only other expense was for gasoline. if he drove 8255 miles, what was the average cost of the gasoline per mile?

operating expenses
insurance $946
registration $140
maintenance $85

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

The sum of two numbers is 86, and their difference is 20. find the two numbers