When divided by 5, x has a remainder of 4 and y has a remainder of 1. Which of the following could be the remainder when x + y is divided by 10? Choose the correct choice from the following answers: A) 6 B) 7 C) 8 D) 9 E) 0
x = 5k+4 and y = 5j+1   x+y = 5(j+k) + 5   When divided by 10, the remainder is either 5 or 0.   The answer is 0.
<result>E</result>
When divided by 5, x has a remainder of 4 and y has a remainder of 1. Which of the following could be the remainder when x + y is divided by 10?