Question

3). The product of two rational number is 2\5. if one of them is -8\25, find the other.

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Answer 1

Step-by-step explanation:

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Answer 2

To find : missing rational number .

Given : The product of two rational number is $\frac{2}{5}$ .

            One of the rational number  = $\frac{-8}{25}$

Solution :

• Let missing rational number be $x$.
• As per the given data we write given condition as -

          $\frac{-8}{25}\times ( x) = \frac{2}{5}$

         $= \frac{-8x}{25} = \frac{2}{5}$

• By cross multiplying terms we find the value of $x$.

       $x = \frac{-25\times 2}{5\times 8}$

       $x = \frac{-50}{40}$

On simplifying we get , $x = \frac{-5}{4}$

Hence , another missing rational number is $\frac{-5}{4}$ .