Fill in the blanks to complete the sentence. The Perez family and the Smyth family are each taking road trips. The Perez family travels at an average rate of 65 miles per hour and the Smyth family travels at an average rate of 50 miles per hour. How far does each family travel after 6 hours?

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