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4. If x = 20 when y = -4, find y when x = 10.


5. If x = 5 when , find y when x = 10.


6. If x = 2.5 when y = 100, find x when y = 50.


7. If  when y = -105, find x when y = 4.

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PugsAreLife
4. I would believe y=-2
5.can't answer
6. I think x=1.25
7.can't answer
Sorry I couldn't answer the questions, it was due to the lack of info. I hope I helped.

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