英语奥赛趣题--智力测试 7A botttle of wine cost $10,if the wine is worth $9 more than the bottle,what is the value of the bottle?

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英语奥赛趣题--智力测试 7A botttle of wine cost $10,if the wine is worth $9 more than the bottle,what is the value of the bottle?
英语奥赛趣题--智力测试 7
A botttle of wine cost $10,if the wine is worth $9 more than the bottle,what is the value of the bottle?

英语奥赛趣题--智力测试 7A botttle of wine cost $10,if the wine is worth $9 more than the bottle,what is the value of the bottle?
假设酒瓶X美元,那么酒就是(X+9)美元.
所以:X+(X+9)=10
X=0.5美元.

$0.5

$0.5