Answer:
The simplest form of the ratio is: 

Explanation:
We are given information about the buffalo in New york in the year 2015 as:
Number of arrests= 8,625 
Number of robberies=2678
Number of assaults= 865
Number of murders= 20
The population of Buffalo is 258,959. 
he ratio of the number of assaults to the number of robberies in simplest form is given by:

As the number in the numerator and the denominator do not have a common factor. hence the simplest form of the ratio is:
