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A group of scientists studied the effect this beetle has on the tree population in the forest. After five years of research, they determined that the beetle population doubled each year. On the other hand, the number of healthy trees decreased by 40 percent from the previous year's population. During the first year of their research, the scientists estimated that there were 250 beetles and 4000 healthy trees in the forest area

Sagot :

Answer:  Year  beetles    healthy tree

                 1          250           4,0000

                  2         500           2,400

                 3         1,000         1,440

               4           2,000         864

               5           4,000        518

Step-by-step explanation: