In order to solve this question Make an equation Let x be the cost of each T- shirt 75x+6.25-20=398.75 Simplify the equation 75x-13.75= 398.75 Get Rid of The Constant 75x-13.75+13.75= 398.75+13.75 75x=412.5 Make sure your Variable is equal to one 75x÷75= 412.5÷75 x= 5.5 The price of each shirt is $5.50