A store manager calculates his store’s monthly utility expen...

Question

A store manager calculates his store’s monthly utility expenses using two expense rates, r₁ for the dollar cost per hour the store was open during the month and r₂for the dollar cost per hour the store was not open during the month. During September, which has 30 days, the store was open 8 hours a day, except one day when it was open for 15 hours for a special sale. Which of the following expressions should the manager use to calculate the store’s utility expenses, in dollars, for September?

Options

A

B

C

D

Math

Question

Options

Answer & Analysis

Answer

Analysis

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