Mathematics, 12.02.2021 23:40 juansebas35
Ruth orders dinner at a food truck and her total bill is $26.96 (including tax). If Ruth wants to leave a 15% tip, what is the amount she would leave for the tip?
A. $2.16
B. $2.70
C. $3.90
D. $4.04
Shellie deposits $375 into a savings account which earns simple interest at a rate of 4% per year. If no money was added or removed from the account, how much interest will she have earned at the end of 5 years $$
A. $20
B. $75
C. $450
D. $750 Mrs. Jones sells houses. She gets a 5% commission on all sales. How much commission would she earn on a house that sells for $200,000? If necessary, round your answer to the nearest cent.
A. $5,000
B. $10,000
C. $50,000
D. $100,000
Alexis and her family went out to
dinner.
The price of the meal was $29.85.
The sales tax was 6% of the price of the meal.
The tip was 15% of the meal and the sales tax.
How much money did Alexis and her family pay for the meal, including tax and tip?
A. $31.95
B. $36.12
C. $36.39
D. $50.85
Answers: 3
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1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?
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Ruth orders dinner at a food truck and her total bill is $26.96 (including tax). If Ruth wants to le...
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