PLEASE HELP! WILL MARK BRAINLIEST

Eva and her children went into a restaurant where they sell hamburgers for $8 each and tacos for $4 each. Eva has $120 to spend and must buy no less than 20 hamburgers and tacos altogether. Also, she must buy at least 18 tacos. If a represents the number of hamburgers purchased and y represents the number of tacos purchased, write and solve a system of inequalities graphically and determine one possible solution.​

PLEASE HELP WILL MARK BRAINLIESTEva and her children went into a restaurant where they sell hamburgers for 8 each and tacos for 4 each Eva has 120 to spend and class=