Algebra-1

Let's assume the number of kilograms of arabica coffee beans required is "A" and the number of kilograms of robusta coffee beans required is "R".

According to the given information, Beth's Premium Coffee Blend is made by combining arabica coffee beans, which cost $12/kg, with robusta coffee beans, which cost $6/kg. The total cost of the blend is $10/kg.

We can set up the following equation based on the cost per kilogram:

(12A + 6R) / (A + R) = 10   ---(1)

We also know that the total weight of the blend is 6 kg:

A + R = 6   ---(2)

Now we have a system of two equations with two variables. We can solve this system t...