Friday

April 18, 2014

April 18, 2014

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

**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 ...

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

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

Math - A rectangle sheet of aluminum foilis 50 centimeters long and 20 ...

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

Geometry - Complete the indirect proof. Given: Rectangle JKLM has an area of 36 ...

algebra - the difference between the length and width of a rectangle is 5 ...

MATH - A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X ...