Easy question for y’all smart people, i’m just dumb. Question in photo.

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

2.5 milligrams is equivalent to how many grams

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955