Answer:x = 4.25 - 3.87 x = 0.38 feet
Step-by-step explanation::Find out the how much string will Mellisa have left over .To proveLet us assume that the string will Mellisa have left over be x .As givenMelissa needs 3.87 feet of string to use as a border for her poster.Melissa finds a piece of string that is 4.25 feet long.Than the equation is write in the form. Therefore the string will Mellisa have left over be 0.38 feet .