Answer this now please thanks

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.