Being able to measure lengths and calculate where something should start and finish is a critical skill in construction. Even if you are just hanging a picture in your home, you need this skill to do an accurate job.  Answer the following questions about this home someone is building.

The windows are centered at 25% and 75% of the width of the home. The door in centered in middle (50%) of the home. Both windows are the same.

How many inches from the left does the contractor start cutting the opening for the window on that side?
_______ in.

How many inches from the left does the contractor start cutting the opening for the door?
_______ in.

How many inches from the left does the contractor start cutting the opening for the window on the other side?
_______ in.