Question

medal and much blessings and thank you
If x varies inversely with y and x = 4 when y = 9, find x when y = 6.





8

6

3
i got 6

Answer 1

y varies directly with x
y=kx
10=k(15)
k=10/15
y=(10/15)x
when x=6
y=(10/15)(6)=60/15=4

x varies inversely as y
x=k/y
2=k/8
k=16
x=16/y
when y=17
x=16/17

Answer 2

when its directly simply use this :-