Assignment:
Q1. Solve
2x+y=8
5x-y=6
Q2. Stella's Catering is planning a wedding reception. The bride and groom would like to serve a nut mixture containing 25% peanuts. Stella has available mixtures that are either 40% or 10% peanuts. How much of each type should be mixed to get a 10-lb mixture that is 25% peanuts?
Q3. Solve
5x+y=20
2y+6x=18
Provide complete and step by step solution for the question and show calculations and use formulas.