Danny is taking a road trip. After 36 miles, he reaches a stretch of highway with a speed limit of 60 miles/hour. Danny is trying to figure out the minimum number of hours he'll need to drive to reach over 300 total miles for the trip, assuming he stays under or at the speed limit.
He creates the inequality 60t+36 300, where tis the time elapsed, in hours.
What statement is the most accurate?

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