Question

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.
First graph the system below and describe the shape of the solution area.
http://www.aventalearning.com/content168staging/2006AlgebraIB/Exams/6ProbSolve2/6ProbSolve2_q1.gif

Answer 1

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Answer 2

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Answer 3

5 quarts of papaya, and 6 quarts of pineapple.

X = papaya
Y = pineapple
x = 5 & y=6 (5,6)

\[5 + 6 = 11 \ge 9\]
\[5 + 6 = 11 \le 4\]
\[5 \ge 4\]
\[6 \ge 4\]

Hope this helps you! :)