Question

If $4.053+2.5-3.64=X,$ then the value of X equals __.

• A. $2.813$
• B. $2.913$
• C. $2.183$
• D. $2.193$

Answer 1

The correct option is B $2.913$

Converting the given decimals to like decimals, we have them as 4.053, 2.500 and 3.640.
Now, X = 4.053 + 2.500 - 3.640.

$4.053$
$+2.500$
----------
$=6.553$
and
$6.553$
$-3.640$
----------
$=2.913$
$\therefore X=2.913$