Question

Juanita is training for a triathlon, a timed race that combines swimming, biking, and running.

Answer 1

Answer:

Juanita's trainning dilema:

B:People face trade-offs

Icestorm:

A:Markets allocate goods effectively.

Explanation:

Any hour on swimming trainning is one less for bike or running.

Also an hour runnings is one less for swimming or running

an bike hours negate the change for swimming or running.

This is the concept of opportunity cost. chose something is also chose not to do anything else.

When there is need of a certain good, batteries in this case, the market (which is the sum of all people willing to do business) will allocate resource when needed. As the demand for batteries and flashlights increased, the stores chose to purchase these instead of other to replenish the stock and make a stand to the increased demand.