Translate the following sentence into an equation: "The quotient of twenty-five and five, times a variable squared, is nine times the sum of a variable and 3"

Which of the following expressions are equivalent ?

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?

Add the fractions and simplify 1/2+ 1/3