If 3 varies inversely as x and y=2 when x=25, find x when y=40

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23-02-2021
Mathematics

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If 3 varies inversely as x and y=2 when x=25, find x when y=40

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jawhuss78 jawhuss78 · Answer 1 · 2021-02-23T16:10:36+01:00

jawhuss78 jawhuss78

23-02-2021

since y varies inversely as x , the equation is y=k/x....... Then you plug in 2 for y and 25 for x to find K....... After that you get K= 50...... Then plug in 50 for K and 40 for y then solve for x....... After that you get X= 1.25

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