Percent of turn pike is 75% and percent of parkway is 25%.
Solution:
Given, The state of New Jersey makes approximately $1.55 billion annually from tolls of the $1.55 billion
About
comes from tolls on the turnpike
Remaining
comes from tolls on the parkway
To find the percent of the total revenue from turnpike:

To find the percent of the total revenue from parkway:

Summarizing the results:
Percent of turn pike is 75%
Percent of parkway is 25%