If there are approximately 61/2 hours in the school day, how many are in the school day?

The

61 divided by 2 = 30.50

so the answer is: 30.5

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.