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anonymous

  • 4 years ago

Mark and Nancy are making punch for a party and are using two types of juice: pineapple and papaya. The total number of quarts must be more than 9 but less than 15. They should use at least 4 quarts of each type. We want to find out how many quarts of each juice they should buy. Pick one ordered pair solution for this problem and tell what each number represents.

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  1. Directrix
    • 4 years ago
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    Look at the graph at the link where x is pinapple and y is papaya. http://www.wolframalpha.com/input/?i=9+%3C+x+%2B+y+%3C+15+ The point (8,2) lies in the shaded region which is the solution set. 8 represents 8 quarts of pinapple and 2 represents 2 quarts of papaya juice.

  2. radar
    • 4 years ago
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    However, 2 quarts of papaya juice is not a solution, as it is required that at least 4 quarts of each ingredient is required. "They should use at least 4 quarts of each type"

  3. radar
    • 4 years ago
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    Only solutions that have at least 4 quarts of each should be considered. Right???

  4. anonymous
    • 4 years ago
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    im not so sure about this one?

  5. radar
    • 4 years ago
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    Here is what we know: There has to be at least 4 qts of each ingredient. The sum of can not equal or exceed 15 qts, nor can it be less than 9 qts. Making the assumption that we are going to be using whole qts, no fractions we could make a chart of the solutions: Papaya Pineapple 4 | 5 4 | 6 4 | 7 4 | 8 4 | 9 4 | 10 4 | 11 5 | 4 And so on as you can see you are going to get several solution sets

  6. radar
    • 4 years ago
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    I didn't finish the chart, but papaya would be continued all the way up to 11.

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