Money is invested at two rates of interest. one rate is 8% and the other is 2%. if there is $700 more invested at 8% than at 2%, find the amount invested at each rate if the total annual interest received is $380. let x = amount invested at 8% and y = amount invested at 2%.

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