A coffee mixture has beans that sell for $1.35 per pound and beans that sell for $1.05 per pound. If 120 pounds of beans create a mixture worth $1.15 per pound, how many pounds of each bean is used?
50 lb of $1.35/lb; 70 lb of $1.05/lb
40 lb of $1.35/lb; 80 lb of $1.05/lb
45 lb of $1.35/lb; 75 lb of $1.05/lb

Question

A coffee mixture has beans that sell for $1.35 per pound and beans that sell for $1.05 per pound. If 120 pounds of beans create a mixture worth $1.15 per pound, how many pounds of each bean is used?
50 lb of $1.35/lb; 70 lb of $1.05/lb
40 lb of $1.35/lb; 80 lb of $1.05/lb
45 lb of $1.35/lb; 75 lb of $1.05/lb

anonymous · Answer

The answer here is B. If you take a look at the selling price and how many pounds you get, $138 for it all. Therefore you need to add both of these up to a total of $138.

(40*1.35=54) + (80*1.05=84) 
54+84=$138

B is your answer!

anonymous · Answer

thanks