MATH
posted by anonymous .
The ratio of the distances a 7iron and a 5iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7iron how far should he average with a 5iron Express your answer as an integer or mixed number.
183.6
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
$600
Sales of frozen pizza for a club fundraiser increased from 500 one year to 575 the next year. What was the percent of increase?
75%
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.
12.90 for estimate and 12.87 for exact
please check my answers

Although the amount is correct, 183.6 is decimal rather than mixed number.
Total bill is correct.
75 is only 15% of 500. An increase of 375 would be 75% of 500.
Tip is correct.
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