algebra
posted by bob .
parking lot had a length that is 7 yards greater than thre width. the area of the lot is 450 square yards. what is the length and width?

x(x+7) = 450
x^2 + 7 x  450 = 0
x = [  7 +/ sqrt (49+1800) ] / 2
x = [  7 +/ sqrt (1849) ] / 2
x = [ 7 +/ 43 ]/2
x = 18
x+7 = 25
Respond to this Question
Similar Questions

Algebra
The length of a rectangular parking lot is 4 times its width w. The perimeter of the parking lot is 450 feet. Write an equation for the perimeter. Thanks. (: 
math
How do I find the area in square yards, using the distributive property, of a rectangular lot  no numbers given. I'm calling the length c and the width d. 
math
a rectangular parking lot has a length that is 10 yards greater than the width. the area of the parking lot is 200 square yards.find the length and the width 
College Algebra
The parking lot is 25 by 40 feet. The owner wants to enlage the parking lot by paving an equal width strip on the north side and east side of the lot, sot hat the new lot will be twice the area of the old one. Find the equation which … 
Algebra
The length of a rectangular flag is four yards longer than the width. The area f the flag is 140 square yards. Find the length and the width. 
Math Check my Answers please ?
1.)if an object is dropped from a height of 144 ft the function h(t)=16t^2+144 gives the height of the object after t seconds. when will the object hit the ground? 
check my answers please
1.)order the group of quadratic fractions from widest to narrowest graph. y=3x^2;y=5x^2;y=7x^2 a.)y=3x^2;y=5x^2;y=7x^2 b.)y=7x^2;y=5x^2;y=3x^2 c.)y=3x^2;y=7x^2;y=5x^2*** d.)y=2x^2;y=7x^2;y=3x^2 2.)the area of a play ground is 234yd^2. … 
Math
A rectangular parking lot has an area of 2/3 of a square kilometer. The width is 1/2 of a kilometer. What is the length, in kilometers, of the parking lot? 
math
A rectangular parking lot has an area of 2/3 of a square kilometer. the width is 1/2 of a kilometer. What is the length, in kilometers, of the parking lot? 
math
The surface area covered by a rectangular playground is 100 square yards. The width of the playground is 15 yards longer than its length. Using factors, find the length and the width of the playground.