Dividir al conjunto de numeros enteros positivos del 1 al 100 en dos grupos (A y B) donde A tiene 70 numeros y B tiene 30 siendo iguales la sumas en ambos grupos

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?

Solving algebraic equations 2m+3=11

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.