Question

If $2.4+P=3.61,$ then P= __.

• A. $1.21$
• B. $1.31$
• C. $2.21$
• D. $1.12$

Answer 1

The correct option is A $1.21$

$2.4+P=3.61$
Taking $2.4$ to RHS, we have
$P=3.61-2.4=3.61-2.40$

$3.61$
$-2.40$
----------
$=1.21$


Thus, $P=\mathrm{1.21.}$