One landscaper works 1.5 times as fast as another landscaper. Find their individual times if it takes 9 hours working together to
complete a certain job.
Lanscaper #1 ___takes
hours
Lanscaper #2 ___takes
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