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Andy runs a small convenient store. He owns the place; he has hired a person for $8 per
hour, 8 hours per day, 7 days a week. He works in the store himself for 3 hours per day.
The utility cost $500 per month, the cost of buying and transporting the goods to his store
is $3000 per month. The rent rate of the place is $2000 per month.
a. What is his total monthly expenditure?
b. What is his monthly opportunity cost? 

Hello mary, please i can not access the answer you provided to my first question.  please assist....   

My car gets 24 miles per gallon, and gasoline costs $2.80 per gallon. If we consider only the cost of gasoline, how much does it cost (in dollar) to drive each mile? Round your answer to the nearest cent.

Choose the TWO fractions that are multiplied together to calculate the solution using dimensional analysis. Make sure that the units of the fractions you choose cross-cancel to produce the unit of your desired answer. You must have the correct two fractions selected at the same time to get credit when you check your answer. You get two attempts to check your answer. 

If we consider only the cost of gasoline, how much does it cost (in dollar) to drive each mile? Round your answer to the nearest cent.

$ ______ per mile

 You are going on a 1,940 -mile trip, and your car gets about miles per gallon. Gas prices along your route averape 2.95 per gallon. Calculate the cost of the trip. Round final answer to the nearest cent.

     $ _______

If you can buy 5 apples for $3, then how many apples can
you buy for
a) $12
b) $18
c) $9
d) How much would 25 apples cost?