GMAT
Before the opening of the Erie Canal in 1825, moving a ton of wheat from Buffalo to New York City took three weeks and cost 0; on the canal the move took less than eight days and cost less than $6.
To move a ton of wheat in 1825 from Buffalo to New York City took three weeks before the opening of the Erie Canal, costing 0, but in using the canal, the move took less than eight days and cost less than $6.
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