Remove "Question #" from top line of problem statement.

Rationale:
  a) specific to FMC 3ed but often wrong for FMC 4ed
  b) distracts students unless in an assignment
	whose name or Header specifies text section
1st sentence: insert spacing in formula
2nd sentence: remove 2nd "is", insert "be"
Merge pull request #30 from Dick-Lane/master

Remove "Question #" from top line of problem statement.