8. The front door of a house is 80 inches tall. What is the volume of the door? 10. The living room in the house has an area of 224 square feet and a width of 14 feet. What is the length of the room?
N 8
we have that
The volume of the door is
V=L*W*H
we have
H=80 in
L=36 in
W=2 in
substitute given values
V=36*2*80
N 10
The area of a rectangle (living room) is equal to
A=L*W
we have
A=224 ft2
W=14 ft
substitute given values
224=L*14
solve for L
L=224/14