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# The product of two rational numbers is 15. If one of the numbers is $-10$, find the other.

Given:

The product of two rational numbers is 15.

One of the numbers is $-10$.

To do:

We have to find the other number.

Solution:

Let the other number be $x$.

This implies,

$-10\times x=15$

$x=15\div-10$

$x=\frac{15}{-10}$

$x=\frac{-3}{2}$

Therefore, the other number is $\frac{-3}{2}$.

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