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How may I help you, Justine?

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How may I help you, Justine?

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  1. Justine makes jewelry. She can currently make a pair of earrings with 20 beads in 30 minutes and a necklace with 30 beads in 30 minutes. She plans to use no more than 600 beads, work a maximum of 12 hours (720 minutes) and make at least 5 pairs of earrings and 5 necklaces. She makes $3.25 profit on each pair of earrings and $5.00 profit on each necklace. How many of each should she make to maximize a profit? How may I help you, Justine?

  2. Justine makes jewelry. She can currently make a pair of earrings with 20 beads in 30 minutes and a necklace with 30 beads in 30 minutes. She plans to use no more than 600 beads, work a maximum of 12 hours (720 minutes) and make at least 5 pairs of earrings and 5 necklaces. She makes $3.25 profit on each pair of earrings and $5.00 profit on each necklace. How many of each should she make to maximize a profit? What can we pull out of your question?

  3. Blue = Variables Pink = Bead Values Green = Minute Values Red & Purple = Minimal Production Values Yellow = Profit Values Now, What does each color mean?

  4. Our Formulas: E > 5 You must make at least 5 pairs of earrings N > 5 You must make at least 5 necklaces 20E + 30N < 600 You use 20 beads per each pair of earrings and 30 beads per each necklace, with a maximum of 600 beads 30E + 30N < 720 You spend 30 minutes on each pair of earrings and 30 minutes on each necklace, with a maximum of 720 minutes How can we use these values?

  5. Earrings

  6. Point A E = 5 N = 5 Let me do the math...

  7. Point B 20E + 30N = 600 -20(E = 5) 30N = 500 N = 16 2/3 E = 5

  8. Point C -1 (20E + 30N = 600) + 30E + 30N = 720 10E = 120 E = 12 20(12) + 30N = 600 240 + 30N = 600 30N = 360 N = 12

  9. Point D 30E + 30N = 720 -30(N = 5) 30E = 570 E = 19 N = 5

  10. P = 3.25E + 5N A 3.25(5) + 5(5) = 41.25 B 3.25(5) + 5(16 2/3) = 99.58 C 3.25(12) + 5(12) = 99.00 D 3.25(19) + 5(5) = 86.75 Your Profits!

  11. Profit Statement To Maximize profit by $99.58, make 5 pairs of earrings and 16 2/3 necklaces.

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