SOLUTION: 2. The perimeter of a rectangular field is 140 yards. The land sells for $10 / yd2 and the total cost of the land is $12,000. What are the dimensions of the field?

Question 553299: 2. The perimeter of a rectangular field is 140 yards. The land sells for $10 / yd2 and the total cost of the land is $12,000. What are the dimensions of the field?

Answer by prateekagrawal(56) (Show Source): You can put this solution on YOUR website!
Here area= cost/rate
so,
.

is the area.
perimeter is 140 yards.
so, 2(l+b) = 140
l+b= 70
b= 70- l ----(1)
.
area = l*b =l*(70-l)=1200
solve this, we will get l=40 yd or 30 yd.
when l= 40yd, b= 30yd
and when l=30yd , b= 40 yd.
.
so, dimensions are 40yd x 30 yd.
RELATED QUESTIONS
The perimeter of a rectangular field is 140 yards. The land sells for $10/yd^2 and the... (answered by stanbon)

The perimeter of a rectangular field is 140 yards. The land sells for $10/yd^2 and the... (answered by stanbon)

A piece of land costs $41; 000 for 3 5/12 acres. What is the cost per... (answered by solver91311)

The area of a rectangular field is 3864 yd2 . If the length of the field is 69 (answered by checkley77)

a rectangular plot of land is 50 yards shorter than 4 times the width. find the length if (answered by waynest)

The length of a rectangular piece of land is 90 yards more than three times its width.... (answered by Cromlix)

The length of a rectangular piece of land is 60 yards more than two times its width. The... (answered by addingup)

The length of a rectangular piece of land is 64 yards more than two times it�s width. The (answered by ikleyn,Alan3354)

The length of a rectangular piece of land is 90 yards more than three times it�s width.... (answered by josgarithmetic)