Martin recibio el pedido del vivero. puso 27 plantines en cada uno de los 15 maceteros que rodean al edificio y dejo 4 para la entrada.¿cuantos plantines habia encargado? ES PARA HOY PORFAAA

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Solve -.016x= -16. need solving this