Harry wants to order shirts with the Hogwarts School logo. Hogmart charges $5 per shirt plus a set up fee of $21. Hogstrom charges $8 per shirt.

Enter an equation that can be used to find the number of shirts, s, it would take for the cost to be the same for each store.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.