Question

The math club had to pay a $12 set up fee for club T-shirts plus $5 per shirt.
Formulate an equation. Let s represent the number of t-shirts and C the cost.

Answer 1

A mathematical sentence with an equal sign is called an EQUATION.  It is a relationship showing that two expressions have the same value.  

16 ounces = 1 pound,3(x-5)=16, and 3(2) + 7 = 16-3