A 450-piece puzzle missing 6% of its pieces from is box. How many pieces are in the box?
Solution:-
If a quantity Q is decreased by x%, the remaining quantity D is given by the following formula.
D= 
Use the information in the problem statement to identify Q.
Q = 450
Use the information in the problem statement to identify x.
x = 6
Calculate D.
D =
=
=423
Thus, there are 423 pieces in the box.