#### Answer

$142.5-143.5$ miles

#### Work Step by Step

The boundary of a number is defined as a class in which a data value would be placed before the data value was rounded. Therefore, for $143$ miles, the boundary would be $142.5-143.5$ miles.

Published by
McGraw-Hill Education

ISBN 10:
0078136334

ISBN 13:
978-0-07813-633-7

$142.5-143.5$ miles

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