Question

rory sells t - shirts at a festival for $15 each. he pays $100 in materials and fees. rory’s profit after the festival is $350. he wants to know how many shirts he sold. which quantity is unknown? the number of shirts sold let n equal the number of shirts sold. which equation represents the situation? $15n = 350$ $15n - 100 = 350$ $15(n - 100) = 350$ $n - 100 = 350$

Explanation:

Step1: Define profit formula

Profit = Total Revenue - Costs

Step2: Write revenue expression

Total Revenue = $15n$ (where $n$ = number of shirts sold)

Step3: Substitute values into formula

$350 = 15n - 100$, rearranged as $15n - 100 = 350$

Step4: Identify unknown quantity

The unknown is the number of shirts sold.

Answer:

1. The unknown quantity: The number of shirts sold
2. Correct equation: $15n - 100 = 350$