Answer:
129
Explanation:
40 is found by subtracting 16 from 56.
Then, adding 89 gives a total of 129.
Applying the disinfectant once removes 90% of the bacteria, leaving 10% remaining.
Applying it a second time eliminates 90% of that remaining 10%, so you calculate 10 minus 90% of 10 to find the leftover bacteria after two applications.


This results in only 1% of the bacteria still being present, meaning that
99% of the original bacteria have been eradicated.
1. During his time, the progressive philosophies and reform movements had significantly influenced the nation. The key distinction is that the Progressive Movement diverged from former philosophies.
2. The earlier philosophies associated with the progressive Movement included:
Frederick W. Taylor, late 19th century
Transcendentalism, early 1800s
William James & John Dewey, late 19th century
Adam Smith, The Wealth of Nations, 1776
Charles Darwin, Origin of Species, 1859
The correct answer is D, as it encompasses all the options listed.