"this amount represents" is correct and usable in written English.
You can use it when explaining a certain value or amount in a broader context. For example: "This amount represents approximately 10% of our budget for the year."
This amount represents 5percentt of DAPER's FY 2009 operating-expenses budget of $9.7 million.
This amount represents 4.7percentt of a $90,000 salary and 3.9percentt of a $110,000 salary.
Our study investigated the concentration of dissolved carbon at the point when water leaves the pedosphere and whether this amount represents a significant proportion of terrestrial carbon cycling.
Though this amount represents just a fraction of the cost of more expensive university programs, it does acknowledge that training foreign students should not be the sole responsibility of the host country.
In its analysis, the report suggests, based on separate information from the Department of Energy, this amount represents 18 days' supply at current use levels, a figure the report highlights to support its call for energy conservation and development of renewable energy resources.
This amount represents the money you've paid.
This amount represent the money saved from the use of the system against paying for fuel.
According to OECD statistics, this amount represented 2.8% of Japan's total university R&D, which was lower than the corporate share of 5.3% in the United States.
Consider: an estimated one million tons of algae were recently cleared from Chinese coastal waters slated for Olympic sailing events and, while truly impressive in scope, this amount represented only a small fraction of the total Qingdao bloom, which itself, in turn, is only one of many worldwide.
This amount represented less than 0.01% of his total 2008 campaign contributions.
This amount represented about 4.7 μg of DNA.
