SOLUTION: the length of a rectangle is 6 meters more than 3 times it width. If the perimeter of the rectangle is 84 meters find its dimensions
Algebra.Com
Question 136120: the length of a rectangle is 6 meters more than 3 times it width. If the perimeter of the rectangle is 84 meters find its dimensions
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=3W+6 IS THE LENGTH
W=WIDTH
2L+2W=84
2(3W+6)+2W=84
6W+12+2W=84
8W+12=84
8W=84-12
8W=72
W=72/8
W=9 ANSWER FOR THE WIDTH
L=3*9+6
L=27+6
L=33 ANSWER
PROOF
2*9+2*33=84
18+66=84
84=84
RELATED QUESTIONS
the width of a rectangle is 3 meters greater than two times its length. the perimeter of... (answered by ewatrrr)
The length of a rectangle is 3 meters shorter than 3 times its width. Find the length and (answered by ShortCircuit)
the length of a rectangle is 7 meters more than 4 times its width. the perimeter is 146... (answered by Maths68)
The length of a rectangle is 2 meters more than 3 times its width and its perimeter 64.... (answered by Fombitz)
the length of a rectangle is 4 meters less than 3 times the width. If the perimeter is 56 (answered by oberobic)
the length of a rectangle is 4 meters less than 3 times the width. If the perimeter is 48 (answered by josgarithmetic)
The perimeter of a rectangle is 84 meters. The width measures 3 meters less than the... (answered by ikleyn)
The perimeter of a rectangle is 106 meters. The length is five meters more than twice... (answered by rfer)
The length of a rectangle is 5 meters more than its width. If the area is 84 square... (answered by mananth)