Question

Muscles make up half of a person’s body weight. a. True b. False

Answer 1

If we are considering a person of Ideal body weight than the answer is correct.  So A true.
Muscle weighs more than fat, and bones have alot of weight to them.  Also the water (72% of body composition).  This is where your body weight comes from.

Answer 2

Muscles make up about half of a person's body weight. This is a true statement. Although it's not exactly half, it's very close so this would be true.