Assignment:
Review question 1 , 2 and 3. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to question 1 , 2 and 3.
Q1. Blending Flower Seeds. Tara's website, Garden Edibles, specializes in the sale of herbs and flowers for colorful meals and garnishes. Tara sells packets of nasturtium seeds for $0.95 each and packets of Johnny-jumpup seeds for $1.43 each. She decides to offer a 16-packet spring-garden combination, combining packets of both types of seeds at $1.10 per packet. How many packets of each type of seed should be put in her garden mix?
Q2. Student Loans. Jed's student loans totaled $16,200. Part was a Perkins loan made at 5% interest and the rest was a Stafford loan made at 4% interest. After one year, Jed's loans accumulated $715 in interest. What was the amount of each loan?
Q3. Mixing Fertilizers. Yardbird Gardening carries two kinds of fertilizer containing nitrogen and water. "Gently Green" is 5% nitrogen and "Sun Saver" is 15% nitrogen. Yardbird Gardening needs to combine the two types of solution to make 90 L of a solution that is 12% nitrogen. How much of each brand should be used?
Provide complete and step by step solution for the question and show calculations and use formulas.