Question

The variables x and y vary inversely, and x = 12 when y = 6. Use the inverse variation formula, k = xy, to find y when x = 3.

Answer 1

24

Explanation:

xy = k

Filling in given values, we have ...

12·6 = k = 3·y

y = 12·6/3 = 24

y is 24 when x is 3.