In Pennsylvania, state sales tax is used to pay for services provided by the state. The sales tax rates vary by city and county. In Warren County the sales tax rate is 6%; in Allegheny County, the sales tax rate is 7%, and in Philadelphia the sales tax rate is 8%. A customer returns a book to a book store in Warren County. The book store has another location in Allegheny County, and the customer shops at both locations. The customer's receipt shows S1.75 tax was charged on a $24.99 item. Was the item purchased at the Warren County store or the Allegheny County store? Explain and justify your answer by showing your math work.

The Lincoln Parish Water Department charges a basic rate of $5.00 per month per household customer in shreveport plus an additional $0.004 for each additional gallon of water consumed in 2017. There are $800,000 household water consumers in the parish.  a. Develop the revenue function for the Lincoln Parish Water Department.  b. What was the total revenue for the month of February 2018, if the amount of water consumed by households in the parish were 75,000,000 gallons in the month? c. What is the marginal revenue of the Lincoln Parish water Department?

Kara categorized her spending for this month into four categories: Rent, Food, Fun, and Other. The amounts she spent in each category are pictured here.Rent $528 Food $422 Fun $317 Other $633How much total money did Kara spend this month?

← The Family Arts Center charges $23 for adults, $16 for senior citizens, and $5 for children under 12 for their live performances on Sunday afternoon. This past Sunday, the paid revenue was $9,951 for 711 tickets sold. There were 47 more children than adults. How many children attended? OA. 274 children OB. 210 children OC. 227 children OD. 264 children GEXED

Jennifer took clothes to the cleaners three times last month. First, she brought 3 shirts and 1 pair of slacks and paid $12.46 Then she brought 6 shirts, 3 pairs of slacks, and 1 sports coat and paid $37 90. Finally, she brought 5 shirts and 2 sports coats and paid $28.43. How much was she charged for each shirt, each pair of slacks, and each sports coat? .. Jennifer was charged $ for each shirt, $ for each pair of slacks, and $ for each sports coat Clear all Check answer View an example Get more help - Help me solve this 6:09 PM 3/7/2022 hp end delete ins prt sc 18 num backspace lock & 4 home U E enter HJK 00 %24 %23