P is four times as old as Q, and Q is five years older than R. If R is z years old, what is P’s age in terms of z?
Choose the correct choice:
A) 4z + 5	B) 4z + 20	C) 4z - 20	D) (z + 5)/4	E) (z − 5)/4
P = 4Q   Q = R+5 = z+5   P = 4(z+5) = 4z + 20   The answer is 4z + 20.
<result>B</result>
P is four times as old as Q, and Q is five years older than R. If R is z years old, what is P’s age in terms of z?