Eric spent a total of $50.75 at the school bookstore. He bought a calculator for $29.75 and some pens. Each pen cost $1.50. How many pens did Eric buy? Enter your answer in the space provided.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

What is the lcm of 16 and 40 ? 24 and 40 ?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.