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OpenStudy (anonymous):
The number of endangered species in a jungle decreased from 75 to 30 in one year. What is the percent of decrease in the number of endangered species? A. 40% B. 45% C. 60% D. 150%
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OpenStudy (anonymous):
do a proportion of 75/30= x/100!
OpenStudy (anonymous):
No, mind that...Just think 75 minus 30 and then you get 45%! It's only logic and the numbers are out of 100!
OpenStudy (anonymous):
So the answer is Choice B, which is 45%!
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