Answer: 
Step-by-step explanation:
Given
Length of board is 
It is divided into 4 equal pieces i.e. length of each piece is

If
of an inch is removed from one of the pieces then,

To find volume you use the formula length×widght×height
12 × 7 × 17
Which equals 1428
Answer:
X=2
Y=1/4*2
Y=1/2
Y=.5
Step-by-step explanation:
PROOF
2*2+2*.5=5
4+1=5
5=5