For this chain-of-thought reasoning and answer, what was the question?
Five sheet have 5 x 10 = 50 stickers. Therefore, Xia had 100 + 50 = 150 stickers at the beginning.
 A: 150
Q: After sharing 100 stickers with her friends, Xia had five sheets of stickers left. If each sheet had ten stickers on it, how many stickers did Xia have at the beginning?