Find the value of:
p + q + 3r, when p = 1, q = 5, r = 2.
12
13
10
51
Given p = 1, q = 5, r = 2. Substituting the values of p, q, and r in the expression p + q + 3r,
p + q + 3r = 1 + 5 + 3(2) = 1 + 5 + 6 = 12