The Razorback t-shirt shop makes $ w dollars off each t-shirt sold. During the Arkansas game and the Texas tech game they sold a total of x t-shirts. If they sold y t-shirts during the Arkansas game How much money did they make from selling the t-shirts during the Texas tech game?
The Razorback t-shirt shop makes $78 dollars off each t-shirt sold. During the Arkansas game and the Texas tech game they sold a total of 186 t-shirts. If they sold 172 t-shirts during the Arkansas game How much money did they make from selling the t-shirts during the Texas tech game?

The Razorback t-shirt shop makes $78 dollars off each t-shirt sold. During the Arkansas game and the Texas tech game they sold a total of 186 t-shirts. If they sold 172 t-shirts during the Arkansas game, they must have sold 14 t-shirts during the Texas tech game. 

So they made $14 * 78 = $1092 from selling t-shirts during the Texas tech game.