Malcolm saved $80 to spend on a gift for his mother. He spent half of his savings on a necklace, $30 on a bracelet and wants to spend the rest on earrings. What shows the part of his savings he has left to spend on earrings?

If i have one apple and give you the apple, how many apples do i have?

Which representation has a constant of variation of -2.5

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?