<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 A certain school bought 10 cases of bottled water and 5 cases of sports drinks for their athletes for a series of 4 games. The bottled water cases have 20 bottles each, while the sports drinks cases have 15 bottles each. During the first game, 70 bottles of water and 30 bottles of sports drinks were used. In the second game, 40 bottles of water and 20 bottles of sports drinks were consumed. The athletes drank 50 bottles of water and 25 bottles of sports drinks in the third game. After the fourth game, only 20 bottles of water and 10 bottles of sports drinks were left. How many bottles of water and sports drinks were used during the fourth game? Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
10
A certain school bought 10 cases of bottled water and 5 cases of sports drinks for their athletes for a series of 4 games. The bottled water cases have 20 bottles each, while the sports drinks cases have 15 bottles each. During the first game, 70 bottles of water and 30 bottles of sports drinks were used. In the second game, 40 bottles of water and 20 bottles of sports drinks were consumed. The athletes drank 50 bottles of water and 25 bottles of sports drinks in the third game. After the fourth game, only 20 bottles of water and 10 bottles of sports drinks were left. How many bottles of water and sports drinks were used during the fourth game?
test