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Riley has a farm on a rectangular piece of land that is 200200200 meters wide. This area is divided into two parts: A square area where she grows avocados (whose side is the same as the length of the farm), and the remaining area where she lives. Every week, Riley spends \$3$3dollar sign, 3 per square meter on the area where she lives, and earns \$7$7dollar sign, 7 per square meter from the area where she grows avocados. That way, she manages to save some money every week.

User ChrisJ
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2 Answers

6 votes

Answer:

7L^2>3L(200-L) -

Explanation:

User William Z
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4.8k points
2 votes

Answer:


7l^(2) >3l(200-l)

Explanation:

Square area of avocado plant: l · l ⇒ l²

Money: 7 · l²

Square area of living sector: (200 - l) · l

Money: 3 · l · (200 - l)

Every week, Riley spends $3 per square meter on the area where she lives, and earns $7 per square meter from the area where she grows avocados. That way, she manages to save some money every week.

⇒ 7 · l² > 3 · l · (200 - l)

User Arunkumar Ramasamy
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5.1k points