Question

A varies BC when B is 4 and C is 9, a is 6.find the formulea connecting A,B,C

Find A when B is 3 and C is 10
Find C,if A is 20 and B is 15

Answer 1

A = kBC

So, having been told that
6 = k*4*9, k = 1/6

A = 1/6 BC
So now find A such that A = 1/6 * 3*10
and C such that 1/6 * 15C = 20