The total cost expression is $100 + $7s
The revenue expression is $15s
The total cost of making 25 shirts is $275
The total amount earned is $375.
The students would make more money than they spent if they make 25 shirts.
The total cost expression = base cost + variable cost
$100 + $7s
The revenue expression = selling price x quantity sold
$15s
The total cost of making 25 shirts : $100 + (25 x $7= $275
The total amount earned : $15 x 25 = $375
Profit = $375 - $275 = $100
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