SOLUTION: Can you please explain this equation to me.
The length of a rectangle is 3 times the width. The perimeter is 96 cm. Find the width and length
I want to know how to work it ou
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Question 671997: Can you please explain this equation to me.
The length of a rectangle is 3 times the width. The perimeter is 96 cm. Find the width and length
I want to know how to work it out properly.
Thank you
Sorry if this is the wrong category I don't know which one I should of put it on.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the length of the rectangle
Let = the width of the rectangle
given:
(1)
The formula for perimeter of a rectangle is
(2)
Substitute (1) into (2)
(2)
You are given cm
(2)
(2)
(2)
and, since
(1)
(1)
(1)
The length is 36 cm and the width is 12 cm
check:
(2)
(2)
(2)
(2) cm
OK
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