Answer: There are 7,677 streets named as " First Street" and 7, 189 streets named as "Main Street" .
Step-by-step explanation:
Let x be the number of streets named as First Street .
y be the number of streets named as Main Street.
AS per the given information, we have the following system of equations :

Substitute the value of x from (2) in (1) , we get

Put value of y in (2), we get

Hence , there are 7,677 streets named as " First Street" and 7, 189 streets named as "Main Street" .
Answer: 2x^2+ 9x +16+ 24x- 17/ x^2- 2x +1
Step-by-step explanation:
20%. total= 5 => total= 25
16% of 231 is 36.80
16% + 84% = 100%
36.80+ 231 = $267.80
Ans = $267.80