Z is inversely proportional to X is the same as
z is directly proportional to 1/X
which can be written like this:-
y=k/X
________
0.5=k/6
0.5*6=k/6*6
k=3 ;
________
z = 3/14
Z = 0.2
The answer is 2.35714285714!
hope this helps!!
Answer:
1.15% to make 4000 after 7 years