math
posted by anonymous .
12.(4pts)
Solve the problem. Round your answer to the nearest tenth of a percent unless otherwise indicated.
Sales of frozen pizza for a club fundraiser increased from 500 one year to 575 the next year. What was the percent of increase?
Solve the problem. If the answer is an amount of money, round to the nearest dollar.
The appliance store where the Scott family shops offers a 7% discount for paying cash. The Scott family received a discount of $42. What was their total bill before the discount
14.(4pts)
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.
The restaurant bill is $85.83. Give the estimate of a 15% tip and the exact amount of a 15% tip.

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