Question

solve this questions plz.....

Answer 1

$\blue{\huge{\boxed{\star\: Solution \: \star}}}$

===> 4a- 3b +c = ?

===>
$\boxed{a = 4.5 \: \: b = 2.3 \: \: c = 1.7}$

===>
$\red{\boxed{put \: value \: in \: expression}}$

==>4 (4.5) - 3 (2.3) + 1.7

===>18 - 6.9 + 1.7

====> 12.8

$\green{ \boxed{ \underline{so \: option \: d \: is \: correct}}}$

Answer 2

4 (4.5) -3 (2.3) + 1.7
18 - 6.9 + 1.7
11.1 + 1.7
12.8