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Mathematics, 30.04.2021 21:00 cherryy

13.two quantities ,x and y, vary directly, if x=5 and y=20, find y when x=45. 14.two quantities ,x and y, vary directly, if x=8 and y=48, find y when x=32.

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13.two quantities ,x and y, vary directly, if x=5 and y=20, find y when x=45. 14.two quantities ,x...
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