SOLUTION:
a home is to be built on a rectangular plot with a perimeter of 800 feet. If the length is a 20 feet less than 3 times the width, what are the dimensions of the rectangular plo
Algebra.Com
Question 717254:
a home is to be built on a rectangular plot with a perimeter of 800 feet. If the length is a 20 feet less than 3 times the width, what are the dimensions of the rectangular plot?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
P=2L+2W
L=3W-20
800=2(3W-20)+2W
800=6W-40+2W
800+40=8W
8408W
W=840/8
W=105 ANS.
L=3*105-20
L=315-20
L=295 ANS.
PROOF:
800=2*295+2*105
800=590+210
800=800
RELATED QUESTIONS
The length of a rectangular plot of land is 4 times the width. If the perimeter is 2,000... (answered by mananth)
The length of a rectangular plot of land is 4 times the width. If the perimeter is 600... (answered by oscargut)
The perimeter of a backyard is 800 feet. If the width is 100 feet less than the length,... (answered by powercenter)
A farmer wants in enclose a rectangular plot of land with an area of 600 sq.ft. that... (answered by ankor@dixie-net.com)
the length of a a rectangular garden is two less than three times the width. Find the... (answered by tara0066)
how do i find the width of a rectangle when the perimeter is 280 feet and the length is... (answered by Finavon)
The length of a rectangular room is 5 feet more than 3 times the width.Find the... (answered by stanbon)
The perimeter of a rectangular skating rank is 530 feet. If the length is 5 feet more... (answered by richwmiller)
The length of a rectangular plot of land is 5 times the width. If the perimeter is 1,500... (answered by ewatrrr)