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

138-2x36 = 66
66/3 = 22

Answer is 22

Answer 2

Your answer would be 22