SOLUTION: The perimeter of the rectangle shown below is 70 cm. (a) What is the value of “y”? (b) What is the length of the rectangle? (c) What is the width of the rectangle? Link to image

Algebra ->  Rectangles -> SOLUTION: The perimeter of the rectangle shown below is 70 cm. (a) What is the value of “y”? (b) What is the length of the rectangle? (c) What is the width of the rectangle? Link to image      Log On


   

Question 895099: The perimeter of the rectangle shown below is 70 cm. (a) What is the value of “y”? (b) What is the length of the rectangle? (c) What is the width of the rectangle?
Link to image: http://i819.photobucket.com/albums/zz117/spiderchic2121/MATHGEOU06_19.gif
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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The "length" seems 3y+4; and the other dimension, the width, is then y+3.

For perimeter of 70,
2%283y%2B4%29%2B2%28y%2B3%29=70
3y%2B4%2By%2B3=35
4y%2B7=35
4y=28
highlight%28y=7%29