The solution to the given equation is 45.
When two expression are equated using an equal sign , the statement formed is called an equations.
Equations have wide usage in Mathematics.
Variety of equations like quadratic equations , Trignometric equations are used in mathematics.
The given equation is
18 = (2/5)f
f = 18 *5/2
f = 45
Therefore the solution to the given equation is 45.
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