Answer: The answer is 13 ponds of each type should be used.
Step-by-step explanation: Given that the coffee counter charges $11.00 per pound for kenyan french roast coffee and $13.00 per pound for sumatra coffee. We are to find the quantity of each type that should be used to make a 26 pound blend that sells for $12.00 per pound.
Let 'x' pound and 'y' pound of kenyan french roast coffee and sumatra coffee be used in the mixture of 26 pound.
So, we have

Multiplying equation (A) by 11 and subtracting from equation (B), we have

and from equation (A),

Thus, 13 pounds of each type of coffee should be used.
Answer:
oki
Step-by-step explanation:
Answer:
B. x + 2y = 8 is your answer.
Step-by-step explanation:
So this is what you do:
y = -1/2x + 4 <u>You are going to add -1/2 to the other side.</u>
y + 1/2x = 4 <u>You are going to multiply the equation by 2.\</u>
B. x + 2y = 8 is your answer.
Answer:
$18.30
Step-by-step explanation:
100 - 26.80 = 73.20
73.20 / 4 = 18.30