If Y is inversely proportional to X and Y equals 7 when x equals 9 find X when y equals 14

Question

Thank you for the quick response earlier 

Answer 1

Y = k/x for some fixed number constant k

 

7 = k/9

 

k = 63

 

so Y = 63/x

 

14 = 63/x

 

14 x = 63

 

x = 63/14 = 9/2