Question

What is the approximate percent decrease when a fish count goes down from 850 to 500? The percent decrease is approximately 40%. The percent decrease is approximately 70%. The percent decrease is approximately 140%. The percent decrease is approximately 240%.

Answer 1

The percent decrease is approximately 70%

Answer 2

The percent decrease is approximately 40%.

Explanation:

Step one:

given data

initial count of fish= 850

final count of fish= 500

Required

% decrease

Step two:

% decrease= final-initial/initial*100

substitute

% decrease= 850-500/850*100

% decrease=350/850*100

% decrease= 0.41*100

% decrease= 40.1%

The percent decrease is approximately 40%.