The variables x and y vary inversely. When y is 10, x is 10. What is x when y is 20

asked Jan 16, 2018 43.3k views

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6 votes

inversely
y = k/x
k = yx
k = 10*10 = 100

when y = 20

20 = 100/x
20x = 100
x = 5

answer
x = 5 when y is 20

Jdonmoyer answered Jan 20, 2018

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