Billy Bob is selling custom t-shirts for $18 per shirt, plus $21.50 for shipping. Sammy Sam is also selling custom t-shirts for $22 per shirt, plus $5.50 for shipping.
Write an equation used to find how many shirts (s) Billy Bob and Sammy Sam would
each have to sell to earn the same amount of money.

Step-by-step explanation:

ok so, if billy bob is selling custom t-shirts for $18 per shirt, plus $ 21.50 for shipping so that means altogether it cost $ 39.50.

Sammy is also selling custom t-shirts for $ 22 per shirt, plus $ 5.50 for shipping so that means altogether it cost $ 27.50.

$ 39.50 per one

$ 27.50 per one

so all you have to do is find what the same number of shirts that equals the same price.