What is -5/8 divided by 9/10? A: -25/36 B:-9/16 C: -45/80 D: -1/36

1 answer:

5 0

$-\frac{5}{8}:\frac{9}{10}=-\frac{5}{8}\cdot\frac{10}{9}=-\frac{5\cdot\not10_5}{\not8^4\cdot9}=-\frac{5\cdot5}{4\cdot9}=\boxed{-\frac{25}{36}}\leftarrow \boxed{\boxed{A}}$

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