Question

f is inversely proportional to g.

When f = 10, g = 121 Work out f when g = 25​

Answer 1

f = k/g

when f=10 and g=121

k=10×121= 1210

hence → f = 1210/g

when g=25

f = 1210÷25

f = 48.4 or 242/5