A carpenter is building a fence around a swimming pool. One side of the pool is next to the house and does not need fencing. The carpenter has 120 feet of fencing and plans to use it all. Solve the equation w + 76 + w = 120 to find the unknown dimension of the enclosed rectangular area.
a.
12 ft
c.
20 ft
b.
22 ft
d.
18 ft

Question

A carpenter is building a fence around a swimming pool.  One side of the pool is next to the house and does not need fencing.  The carpenter has 120 feet of fencing and plans to use it all.  Solve the equation w + 76 + w = 120 to find the unknown dimension of the enclosed rectangular area.
a.
12 ft
c.
20 ft
b.
22 ft
d.
18 ft

anonymous · Answer

i am thinking you can add together your common letters so it is 2w+76=12 then divide 2w on both sides to undo the multiplication so 76=12/2w
i think you can finish it from there