How do you do "what percent of 60 is 9? " how to do this.

Hope this helps How much percentage of 60 is 9? 
Let 9 be x% of 60
=> (x/100)*60 = 9
=> 60x = 900
=> x = 900/60 = 15 
So if a person gets 9 marks out of 60in percentage it will be (9/60)*100.

In all honesty, there really is no “work” per say to show. mainly it’s just using the process of elimination. the question is asking which domain(s) would be the most appropriate for the function c(n). n is the number of observed vehicles so right away, 1, 2, and 3 can be eliminated.why? 1, 2 start in the negatives and therefore it is impossible to observe negative cars. so, #4 would be the best answer to the given problem.