Robert purchased three of his favorite types of candy to hand out to trick-or-treaters on Halloween He purchased 11 pounds of candy, worth $46. Hershey bars cost $5 per pound. Peanut Butter cups cost $4 per pound, and Milky Way bars cost $3 per pound The amount of Hershey bars that Robert purchases was equal to double the amount of Miky Way bars. do not solve it ,write the system of equations. pls