Mandy needs to buy 5 work shirts that are all the same price. after she uses a $20 gift certificate, she can spend no more than $50. write and solve the inequality to determine the maximum about that each shirt can cost.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.