Question

If a varies inversely with b, and a=12 when b=1/3, find the equation that relates a and b

Answer 1

a = 4 /b

or ab = 4

Explanation:

An inverse relation is given by

a = k/b where k is the constant

Rewriting

ab = k

12 * 1/3 = k

4 = k

a = 4 /b

or ab = 4