SOLUTION: Cathy's yard is in the shape of a rectangle. The length is 5 m. more than three times the width of the rectangle. The area of the rectangle is 350 sq.m. Find the length and widt

Question 21958: Cathy's yard is in the shape of a rectangle. The length is 5 m. more than three times the width of the rectangle. The area of the rectangle is 350 sq.m. Find the length and width of the rectangle.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
width = x
lenght = 3x+5
area = 350
(x)(3x+5)=350

Use Quadratic Formula:
a=3, b=5, c=-350

/ divide by 6
/ divide by 6
Add: x=10
3(10)+5=35
Hence, the width is 10cm and the length is 35cm

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