Question

product of two rational number is -16/15 If one the number is-2/5 find the other
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Answer 1

Answer:

Let the other number be x

$x \times ( \frac{ - 2}{5} ) = \frac{ - 16}{15}$

$x = \frac{ - 16}{15} \div \frac{ - 2}{5}$

$x = \frac{ - 16}{15 } \times \frac{ - 5}{2}$

$x = \frac{8}{3}$

So the other number is

$\frac{8}{5}$

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