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egoroff_w [7]
3 years ago
6

The sum of two numbers $x$ and $y$ is 399, and the value of the fraction $\frac{x}{y}$ is 0.9. What is the value of $y - x$?

Mathematics
1 answer:
sergey [27]3 years ago
4 0

Answer:

none

Step-by-step explanation:

first thats not a  number

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