Why can't the sum of any 4 consecutive numbers be a multiple of four?

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?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Which expression is equivalent to -5(3x - 6/7)