Saturday

April 18, 2015

April 18, 2015

Posted by **Shannon** on Tuesday, June 28, 2011 at 3:16pm.

- alg 2 -
**Henry**, Thursday, June 30, 2011 at 11:55amA = L*W = 30 * 20 = 600F^2.

Width = X feet.

A = (30+X) * (20+X) = 1200F^2,

600 + 30X + 20X + X^2 = 1200,

X^2 + 50X + 600 = 1200,

X^2 + 50X - 600 = 0,

(X-10)(X+60) = 0,

X - 10 = 0,

X = 10.

X+60 = 0,

X = - 60.

Select the + value of X:

X = 10 Feet.

**Answer this Question**

**Related Questions**

math - A rectangular skating rink measuring 30m by 20m is doubled in area by ...

algebra 2 - Farmer Brown wants to double the size of his rectangular backyard ...

algebra 2 - Farmer Brown wants to double the size of his rectangular backyard ...

math - The area of a rectangular plot 24 feet long and 16 feet wide will be ...

Geometry - The area of a 300' by 400' rectangle is doubled by adding a strip of ...

Math - 1. A gardener has 30 feet by 20 feet rectangular plot of ground. He wants...

College Algebra - The parking lot is 25 by 40 feet. The owner wants to enlage ...

Math - A rectangular flower garden, 7 m by 6 m, is surrounded by a grass strip ...

Calculus - 600 feet of fencing to enclose a rectangular plot If I don't fence ...

MaTh - need help with word problem The Parks Department is planting a circular ...