A lake initially contains 2000 fish. Suppose that in the absence of predators or other causes of removal, the fish population in
creases by 8% each month. However, factoring in all causes, 500 fish are lost each month. How many fish will be in the pond after 7 months? (Don't round until the very end.)
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So the left side has a common denominator of 3. The 6x, -2x, and 8 can all go over a single 3. (6x-2x+8/3). Simplify the x's to get 4x. Now both sides have to be multiplied by 3 to get rid of that fraction. Then you just have 4x+8=24. Subtract 8 from both sides to get the x's alone, then divide both sides by 4 to get x alone. I have a picture to help.
