SOLUTION: The perimeter of a rectangular room is 78cm. The room is 5cm longer than it is wide. Form an equation depicting the relationship of the length, width and perimeter Find the leng

Algebra ->  Rectangles -> SOLUTION: The perimeter of a rectangular room is 78cm. The room is 5cm longer than it is wide. Form an equation depicting the relationship of the length, width and perimeter Find the leng      Log On


   

Question 979997: The perimeter of a rectangular room is 78cm. The room is 5cm longer than it is wide.
Form an equation depicting the relationship of the length, width and perimeter
Find the length of each wall.
Find the area of the rectangular room.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This will be only part-way, and only in symbols.

p, perimeter given, and w for width, L for length;
L=w+5.

2w%2B2L=p
2w%2B2%28w%2B5%29=p
Solve for w first...

Area A would be wL=A.

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Try to fill the missing steps according to
w=17, L=22, and A=374.