I cannot figure this out. Any help would be appreciated.

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Find the nonpermissible replacement for binthis expression. b2/5b +5