#### Answer

$XLIII$

#### Work Step by Step

RECALL:
$L=50
\\X=10
\\V=5
\\I=1$
Note that:
When a smaller number is written before a bigger number, the smaller number is subtracted to the bigger number.
Thus,
$43 = (50-10) + 3
\\43=XLIII$

Published by
Pearson

ISBN 10:
0321867327

ISBN 13:
978-0-32186-732-2

$XLIII$

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