Problema Solution
Reiko started a business selling home medical supplies. She spent $5200 to obtain her merchandise, and it costs her $550 per week for general expenses. She earns $900 per week in sales. What is the minimum number of weeks it will take for Reiko to make a profit?
Answer provided by our tutors
Let 'x' represent the number of weeks, where x is integer.
Expense for x weeks: 5200 + 500x
Earnings for x weeks: 900x
5200 + 500x < 900x
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click here to see the inequality solved for x
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x > 13
The minimum number of weeks needed for profit is 14.