When the integer k is divided by 7, the remainder is 1. Which of the following expressions below when divided by 7, will have a remainder of 5?
I. 4k + 1
II. 6k + 6
III. 8k + 2  Choose the correct choice from the following options:
A) I only B) II only C) III only D) I and II only E) I, II and III
k = 7j + 1   4k + 1 = 28j + 4 + 1 = 28j + 5   6k + 6 = 42j + 6 + 6 = 42j + 7 + 5   8k + 2 = 56j + 8 + 2 = 56j + 7 + 3   The answer is I and II only.
<result>D</result>
When the integer k is divided by 7, the remainder is 1. Which of the following expressions below when divided by 7, will have a remainder of 5?
I. 4k + 1
II. 6k + 6
III. 8k + 2