IntegerSolution CountTheOpposite AMC10/12 Difficult

Problem - 790

A parking lot has $16$ spaces in a row. Twelve cars arrive, each of which requires one parking space, and their drivers chose spaces at random from among the available spaces. Auntie Em then arrives in her SUV, which requires $2$ adjacent spaces. What is the probability that she is able to park?

The solution for this problem is available for $0.99. You can also purchase a pass for all available solutions for $99.

report an error