Answer:
The correct answer is: we need to mix 8 pounds of Arabian Mocha coffee
Explanation:
We can solve this problem with the famous rule of three
Rule of three
90 pounds (Kenya blend) -----with-----18pounds (Arabian Mocha blend)
40 pounds (Kenya blend) -------------- ?
=(40 x 18 ) / 90
= 720 / 90
= 8 pounds to mix of Arabian Mocha coffee