The inverse variation formula is xy = k
In the first set of values you have x and y so you can solve for k:
8 x 11 = k
k = 88
Now in the second set of values you have x and we have k from the first set so we have:
10 x y = 88
Solve for y by dividing both sides by 10:
y = 88 /10
y = 8.8
