SOLUTION: this is a story problem. "A rectangle whose perimeter is 192 is 3 times as long as it is wide. Find the dimensions and area." Can you please help me.

Question 56993: this is a story problem. "A rectangle whose perimeter is 192 is 3 times as long as it is wide. Find the dimensions and area." Can you please help me.

Answer by rcmcc(152) (Show Source): You can put this solution on YOUR website!
You can solve this question by solving for X.
Let X be the width of the rectangle.
Since the length is 3 times greater than the width it can be stated as 3X
Because we are calculating perimeter all the values must be multiplied by 2, as there are two identical sides.
Now we can form a simple equation.
(2)3X+(2)X=192
Simplify the equation
6X+2X=192
8X=192
divide 8 out to isolate x
X=24
Hence the width is 24 and the length is 72
The area is LxW
24X72=1728
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