Student or Learner
1) "When Bill and his brother have the same number of books in their collections, how many books will each of them have?"
Above is the original which of the following is correc, idiomatic and in the same sense as the original?
2) "When Bill and his brother have the same number of books in their collections, how many books will both of them have?"
3) "When Bill and his brother have the same number of books in their collections, how many books will either of them have?"
Source: Algebra 1 by McDougal Littell.
Thank you.
With 'each' it is clear that we are talking about the number of books each individual has. With 'both' we could be talking about the total number of books the two have together.
If you wish.
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