Paola walked 1.25 miles in 30 minutes. jason walked 7,040 feet in 40 minutes. in miles per hour, how much faster did paola walk than jason?

What is the solution to the inequality

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?

Precalculus question, image attached.