It costs the school band s dollars per sandwich that they make. the band sells each sandwich for 20% more than it costs to make so they earn a profit. the expression 73(s+0.2s) describes how much money the school band received selling sandwiches at their last fundraiser.

The school band received 87.6S dollars on selling sandwiches at their last fundraiser.

Step-by-step explanation:

Let the cost of per sandwich that the school band make be S dollars per sandwich.

Selling price of each sandwich be 20% more than it costs .

So, Selling price becomes

Since we have given the expression :

That means there are 73 sandwiches as cost is per sandwich.

So, it becomes

Hence, The school band received 87.6S dollars on selling sandwiches at their last fundraiser.