Friday

March 6, 2015

March 6, 2015

Posted by **tony** on Saturday, January 15, 2011 at 4:40pm.

- math -
**Damon**, Saturday, January 15, 2011 at 5:22pmL = 4 B

L2=L + 5

B2=B + 2

(L+5)(B+2) = LB +530

L B + 5B + 2 L + 10 = L B + 530

5 B + 2 L = 520

but L = 4 B

so

5 B + 8 B = 520

13 B = 530

B = 40.8

L = 163

LB = 6648

(L+5)(B+2) = 7174

difference = 525.6 pretty close

**Answer this Question**

**Related Questions**

algebra - a rectangle is 4 times as long as it is wide. a second triangle is 5 ...

math - A rectangle is 4 times as long as it is wide. A 2nd rectangle is ...

geometry - A rectangle is 3.2 centimeters wide and 8 centimeterslong.A similar ...

Math - The length of a rectangle is 5 centimeters less than three times it's ...

7th grade mathSuppose - Suppose rectangles X and Y are similar. The dimensions ...

Word Problem - The length and width of a rectangle are to each other as 4 is to ...

math - A rectangle is 3 times as long as it is wide, it's area is 108 square ...

Math - The first question is this: Helen designs a rectangle with an area of 225...

7th grade - one side of a rectangle is 15 centimeters longer than the other side...

Width of a square - A rectangle has an area of 45 square centimeters and a ...