Question 9713: The length of a rectangle is 5 meters greater than the width. The Perimeter is 150 meters. Find the width and length. Answer by prince_abubu(198) (Show Source):
You can put this solution on YOUR website! The length is 5 meters greater than its width: . The length is already longer, so it makes sense to add 5 meters to the shorter width to equal the length.
The perimeter is 150 meters. So: <------ Start here.
<------- Since we were given word about the relationship between length and width, we perform a substitution. Since , we can replace the L with the in the perimeter equation. TIP: When substituting an expression for a variable, it is ALWAYS THE BEST to put the expression inside a parentheses.
<----------- Distributed
<-------- Combined like terms
<---------- Subtracted 10 from both sides.
<-------- The width is 35 meters. If the length is 5 meters greater than the width, then the length is 35 + 5 = 40 meters.
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