Two points $(4, p)$ and $(0, q)$ lie on a straight line having a slope of $3 / 4$. The value of $(p-q)$ is
(A) -3
(B) 0
(C) 3
(D) 4
Two points $(4, p)$ and $(0, q)$ lie on a straight line having a slope of $3 / 4$. The value of $(p-q)$ is
(A) -3
(B) 0
(C) 3
(D) 4