An equation is given
y = 3x + c
Create an equivalent equation by solving for x in terms of y and c.
Lena sells custom-printed t-shirts at her shop. She can sell 120 t-shirts in a month if she charges $14 for each t-shirt. She plans to change the price per t-shirt by a fixed amount n times. The revenue, in dollars, after n changes in price can be modeled by the expression (120 + 5n)(14 - 3n).
Based on the information, complete the sentence about Lena’s t-shirt sales.
For each_______________ in the price per t-shirt by $_____________, Lena will sell _____________t-shirts in a month.
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