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%

Question

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%

anonymous · Answer

do a proportion of 75/30= x/100!

anonymous · Answer

No, mind that...Just think 75 minus 30 and then you get 45%! It's only logic and the numbers are out of 100!

anonymous · Answer

So the answer is Choice B, which is 45%!