Write a general formula to describe the variation

Question

R varies directly with g and inversely with the square of h; R=3 when g=3 and h=5.

 

a. R=5(g/h^2)

b. R=5(h^2/g)

c. R= 25(g/h^2)

d. R= 25gh^2

Answer 1

R = kg/h²

 

if R=3 when g=3 and h=5, then k = 25

 

answer c.