You and your family go to Chick-Fil –A for dinner. Your mom and dad both order meals. You order a meal and an ice cream cone. The ice cream cone is $1.89. Your family’s bill is $20.46. What is the cost of one meal?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3