Write the algebraic expression for the following situation.
The deficiency of rainfall in this year is $20$ $%$ compared to last year.

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Solution

An algebraic expression is an expression that has variables and constants and is connected by symbols of arithmetic operation.
The given statement is,
The deficiency of rainfall in this year is $20$ $%$ compared to last year.
let the rainfall of last year $= y$
Therefore, the expression,
Hence, rainfall in this year $= (y - 20 % o f y)$ .

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