What is the best way citizens of a city can help solve community problems?

Including Citizens in the Municipal Problem-Solving Process ... working to include their citizens in finding solutions to community problems. ... Participating cities can be located in either of the Americas or Europe. ... combine city employees with the public to help analyze those problems and find solutions.

Explanation:

Since it takes her 2 1/2 miles to get to the aquarium from her hotel, you need to subtract the various distances from  this value in order to find how long it took Clara to walk the rest of the way to the aquarium. 

2 1/2 - (1/4+1 3/4)= 2 1/2 - 2= 1/2

Clara must walk 1/2 a mile to get the rest of the way to the aquarium.