Find All Positive Solutions for the Equation

question 103

Multiple Choice

Find all positive solutions for the equation.
-x≡ 4 (mod 7)

• A){4, 8, 12, ...}
• B){4, 11, 18, ...}
• C){1, 18, 25, ...}
• D){11, 18, 91, ...}

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Definitions:

FIFO

An inventory valuation method that assumes the first items placed in inventory are the first sold, standing for First In, First Out.

Gross Profit

The difference between sales revenue and the cost of goods sold, indicating the profitability of a company's core activities.

Periodic Inventory System

An accounting method where inventory is updated and cost of goods sold is calculated at the end of an accounting period.

FIFO

FIFO stands for "First-In, First-Out," an inventory valuation method where goods first acquired are sold or used first, ensuring that older inventory is used before newer inventory.