SOLUTION: Hiro wants to build an addition to his home. The new room will have one-third of the area of the living room. If the living room is in the shape of a rectangle which had a length o

Algebra ->  Rectangles -> SOLUTION: Hiro wants to build an addition to his home. The new room will have one-third of the area of the living room. If the living room is in the shape of a rectangle which had a length o      Log On


   



Question 1051236: Hiro wants to build an addition to his home. The new room will have one-third of the area of the living room. If the living room is in the shape of a rectangle which had a length of 42 feet and a width of 25 feet, how large is the addition ?
choices:
350 square feet
1,155 square feet
67 square feet

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
.
A= Lw
Living Room: length of 42 feet and a width of 25 feet
A = 42'•25'
The new room will have one-third of the area of the living room
(1/3)A = 42'•25'/3 = 14'•25' = 350ft^2