Question
Abi, Tom and Andy have a total of 171 erasers. Abi and Andy have a total of 140 erasers while Tom and Andy have a total of 130 erasers. How many more erasers does Andy have than Abi?
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Abi, Tom and Andy have a total of 171 erasers. Abi and Andy have a total of 140 erasers while Tom and Andy have a total of 130 erasers. How many more erasers does Andy have than Abi?