$\"\"$

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Let $\"\"$ be represents jessica needs number of pounds of food.

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Let $\"\"$ be represents them carries their own supplies.

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Jessica is capable of carrying $\"\"$ pounds, hence $\"\"$ .

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Marc can carry $\"\"$ pounds, hence $\"\"$ .

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On a camping trip, Jessica needs at least $\"\"$ pounds of food and $\"\"$ gallon of water per day.

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Marc needs at least $\"\"$ pounds of food and $\"\"$ gallon of water per day.

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Jessica $\"\"$ s equipment weighs $\"\"$ pounds, and Marc’s equipment weighs $\"\"$ pounds.

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A gallon of water weighs approximately $\"\"$ pounds.a.

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Write the system of inequalities.

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The Jessica is own supplies capable of carrying pounds from $\"\"$ to $\"\"$ .

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Hence, the inequalities are $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

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Graph:

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Graph the inequalities are $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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b.

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Find how many days can they camp.

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So, she would be completed camp in $\"\"$ .

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c.

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Find who will run out of supplies first.

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Marc, Jessica could last about a quarter of a day longer than Marc.

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$\"\"$

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a.

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Graph the inequalities are $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$

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b.

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She would be completed camp in $\"\"$ .

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c.

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Jessica supllies first.