Answer:
$17.22 for pass and 8.49 for lunch. total 26.16 for students.
For this case we have the following expression:

We must evaluate the expression when:

Substituting the values we have:

Equal signs are added and the same signs are placed.

Different signs are subtracted and the sign of the major is placed:

Finally we have to:

Answer:
Simple this will look like this
-3n
^^^=6
8
multiply 8 by both sides to get rid of the fraction making it look like this,
-3n=48
then,simply divide 48 by -3. And your answer is n=-16.
You'd have to get 112 out of 140 in order to get an 80% right on the dot
A monomial is an algebraic expression consisting of a single term.