# math

posted by
**anonymous**
.

For a party, Mary has to bake 5 cakes, 3 pies, and 4 trays of cookies. One cake requires 2.5 cups of flour, one pie requires 1.25 cups of flour, and one tray of cookies needs 0.75 cups of flour. How much flour in all does Mary need to do the baking for the party?

I said 19.25 cups is that correct?

Calculate using expanded notation.

33 + 18=

Use lattice multiplication to find the product.

52 × 67

The product of two numbers is 50. If you divide the larger number by the smaller number you get 2. What are the numbers?