c + 0.75 =2.25

Question

0.75 +2.25 =3.00
is this right

Answer 1

No.

c + 0.75 =2.25
Subtract 0.75 from both sides.
c = 1.5

To prove it, substitute 1.5 for c in the original problem.

Answer 2

c +0.75=2.25
1.5+0.75=2.25-1.50
is this right

Answer 3

1.5 is not in the original problem.

1.5+0.75=2.25

Answer 4

THis is the orginal problem
c + 0.75 = 2.25
c=75/100 +225/100=1.5/100