Doy 100 puntos jejeje

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?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Rewrite so the subject can be y in the formula d=m-y/y+n