Amy and bill are fixing up their house by painting walls and installing electrical outlets. in one hour, amy can paint 8 walls, or install 6 outlets. in one hour, bill can paint 5 walls, or install 5 outlets a. if amy painted 8 walls in the first hour of work, and then switched to doing 6 outlets in the second hour of work, what was the opportunity cost of each of those outlets?

In business,what would be the input, conversion and output of operating a summer band camp

Strawberry plants reproduce by

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?