Kara's custom tees experienced fixed costs of $400 and variable costs of a $5 shirt. Write an equation that can be used to determine the total expenses.

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Hi Chrissy,

Let x be the number of shirts produced. Let F(x) = 400 be the fixed cost of producing x shorts. Let V(x) = 5x be the variable cost (in $) of producing x shirts. Let T(x) be the total expense of producing x shirts.