#### Answer

It is possible to make a & c negative while b & d are positive
$a=-1, b=1, c=-2, d=2$

#### Work Step by Step

$a\lt b$ -- $-1\lt1$ true
$c\lt b$ -- $-2\lt2$ true
$a-c\lt b-d$ -- $3\lt-2$ false

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

It is possible to make a & c negative while b & d are positive
$a=-1, b=1, c=-2, d=2$

$a\lt b$ -- $-1\lt1$ true
$c\lt b$ -- $-2\lt2$ true
$a-c\lt b-d$ -- $3\lt-2$ false

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