Answer:
28
Step-by-step explanation:
i got my answer by dividing my answer and i got 28
13. 20%
14.7%
15. 3.5%
16.45%
17. 84%
18. 68.5%
Given
y jointly varies to x and z^2
Required
Find the equation
We start by writing out the variation;
Write as equation
Substitute values of x,y and z
Divide both sides by 7
Substitute k in
Answer: 1. A
2. A