#### Answer

$3270$ jobs have been eliminated.

#### Work Step by Step

Six years ago there were $6970$ bridge and lock-tender jobs.
Today there are $3700$ that remain.
$6970 - 3700 = 3270$
$3270$ jobs have been eliminated.

Published by
Pearson

ISBN 10:
0321825535

ISBN 13:
978-0-32182-553-7

$3270$ jobs have been eliminated.

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