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chubhunter [2.5K]
2 years ago
6

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Mathematics
1 answer:
Len [333]2 years ago
3 0
Answer:

1/2 or 0.5

Step-by-step explanation:

The equation is y=rx
And you know what y and x is.
Substitute the first numbers in;
4.5 = r (9)
Divide by r 9 each side, so r = 4.5/9 = 1/2

Hope this helps!
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