Answer:

The minimum number of weeks it will take for Eduardo to make a profit =14
Explanation:
Let w represents the number of weeks.
Given : Eduardo started a business selling sporting goods.
He spent $7500 to obtain his merchandise, and it costs him $300 per week for general expenses.
i.e. Expenditure for w weeks=

He earns $850 per week in sales.
i.e. Earning =

For profit , Earnings > Expenditure
i.e.

Subtract 300 from both sides .

Divide both sides by 550, we get

Hence, the minimum number of weeks it will take for Eduardo to make a profit=14