Problema Solution
If z varies inversely as w,and z=30 when w=0.7,find z when w=10
Answer provided by our tutors
let the constant associated with the proportionality be k
so, z=k/w
putting the values , we get k=z*w = 30*0.7=21
so now, z=k/w
and putting values we can get z= 21/10= 2.1