Mary sells lemonade, and she donates 10 cents from every cup she sells to charity. the cups of lemonade sell for 45 cents. one day she made $17.10. how much money did she give to charity that day?

What properties allow transformation to be used as a problem solving tool

Find two numbers if their sum is 91 and the ratio is 6: 7?

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