Bryan and his friends are playing a mental math game. Bryan asks each friend to pick a number, multiply it by 4, and then add 6 to the product. Luke says he ends up with 18. What number did Luke start with?

Labor costs would be a large factor holding production of shade-grown coffee back. if it requires higher labor costs to receive a smaller benefit per hectare, then these costs would be prohibitive on expanding this practice to all coffee growing.

Repeat the accusation