Cramer's Rule/Linear Equations

Question

Create a system of linear equations to describe the behavior. Then, solve the system for all solutions using Cramer's Rule.

You decide to paint your kitchen green. You create the color of paint by mixing yellow and blue paints. You cannot remember how many gallons of each color went into your mix, but you know there were 15 gal total. Additionally, you kept your receipt, and know the total amount spent was $42.15. If each gallon of yellow costs $2.59, and each gallon of blue costs $3.69, how many gallons of each color go into your green mix?

Answer 1