Question

Your bedroom wall is 138 inches inches inches wide. You

want to hang two posters, each 36 inches inches across,
with an equal space between each poster and the wall
edges.
How many inches of space should you leave between the
wall edge and each poster?​

Answer 1

Your answer would be 22

Answer 2

138-2x36 = 66
66/3 = 22

Answer is 22