When divided by 5, x has a remainder of 3 and y has a remainder of 2. Which of the following could be the remainder when x + y is divided by 10?
Choices.
A) 6  B) 7  C) 8  D) 9  E) 0
x = 5k+3 and y = 5j+2   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 3 and y has a remainder of 2. Which of the following could be the remainder when x + y is divided by 10?