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If x and r are inversely proportional and x=5 when r=25 then what is x when r = 40

 Feb 10, 2023
 #1
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x = 40*25/5 = 200.

 Feb 10, 2023
 #2
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x = k/r 

 

Given  5 = k/25 then k = 5*25

 

Hence x = 5*25/40

 Feb 10, 2023

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