SOLUTION: Write a proportion and solve. To estimate the number of deer in a refuge, wildlife biologists tag and release 135 deer. Two weeks later they observe a sample of 140 deer, 30 of whi

Algebra ->  Proportions -> SOLUTION: Write a proportion and solve. To estimate the number of deer in a refuge, wildlife biologists tag and release 135 deer. Two weeks later they observe a sample of 140 deer, 30 of whi      Log On

The proportion is


 = .


Solve for x, which is the value under the question:


x =  = 540.


Answer.  540 deer.