According to the Original Tipping Page, www. tipping. org, it is appropriate to tip waiters and waitresses 15%dash20% of the pre-tax restaurant bill. The Leeseburgs' dinner costs $ 49.25 before tax, and the tax rate is 7 %. a) What is the tax on the Leeseburgs' dinner? b) If the Leeseburgs decide to tip 16% of the pre-tax bill, how much is the tip? c) What is the total cost of the dinner including the tax and tip?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit