Question

if x and y vary inversely and x is equal to 10 Y is equal to 6 find X when Y is equal to 15​

Answer 1

Answer:

X inversely to y

y=k×1/x

xy=k.........(1)

x=15 & y=6

substitute in eqn (1)

15×6=k

90=k

when x=9 put eqn value of k and x

9×y=90

y=90/9

y=10