SOLUTION: the length of a rectangular field is 7 meters more than twice it width. the perimeter is 140 meters, find the dimension of the field
Algebra.Com
Question 266369: the length of a rectangular field is 7 meters more than twice it width. the perimeter is 140 meters, find the dimension of the field
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=2W+7
2L+2W=140
2(2W+7)+2W=140
4W+14+2W=140
6W=140-14
6W=126
W=126/6
W=21 ANS. FOR THE WIDTH.
L=2*21+7=42+7=49 ANS. FOR THE LENGTH.
PROOF:
2*49+2*21=140
98+42=140
140=140
RELATED QUESTIONS
the length of a rectangular field is 10 meters less than 9 times the width. the perimeter (answered by checkley79)
The perimeter of a rectangular field is 606m.The length is 42 more than twice the width.... (answered by ewatrrr)
The perimeter of a rectangular field is 172 meters. Twice the width is 4 more than the... (answered by TimothyLamb)
The length of a rectangular field is 50 meters more than twice it's length. If the... (answered by checkley77)
the length of a rectangular field is two more than twice the width. the perimeter is 137... (answered by addingup)
The length of a rectangular garden is 10 meters more than twice its width. If the area of (answered by jorel555)
The length of a rectangle field is 8 meters more than twice the width. The perimeter is... (answered by josgarithmetic,MathTherapy)
the perimeter of a rectangle is 12 meters. The length is 3 more than twice its width.... (answered by ewatrrr)
the area of a rectangular field is 94m^2. its perimeter is 38 meters. find the dimension... (answered by josgarithmetic)