Question

The product of two rational numbers is 8/11 if one number is -5/7 find the other number​

Answer 1

Step-by-step explanation:

$b \times \frac{ - 5}{7} = \frac{8}{11} \\ = > b = \frac{8}{11} \div \frac{ - 5}{7} \\ = > b = \frac{8}{11} \times ( \frac{7}{ - 5} = \frac{7 \times - 1}{ - 5 \times - 1} = \frac{ - 7}{5} ) \\ = > b = \frac{8}{11} \times \frac{ - 7}{5} \\ = > b = \frac{8 \times - 7}{11 \times 5} \\ = >b = \frac{ - 56}{55}$

here you go

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