What is the answer to Record the letters in your triangle from left to right?

15 point ! ~ see if you know the answer to both you!

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 three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.