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Answer:
The number of elms tree in the forest is;
[tex]50[/tex]Explanation:
Given that the ratio of elm trees to oak trees is 5:7.
And there are 120 trees in total in the forest.
For the ratio of the elms tree to the total number of trees is;
[tex]=\frac{5}{5+7}=\frac{5}{12}[/tex]Let's now calculate the number elms tree in the forest;
[tex]\begin{gathered} n=\frac{5}{12}\times120\text{ tr}ees \\ n=50\text{ tre}es \end{gathered}[/tex]Therefore, the number of elms tree in the forest is;
[tex]50[/tex]