Question 322853: jarod in having a problem with rabbits in his veggie garden so he decides to fence it in. the length of the garden is 7 ft more than 3 times the width he needs 78 ft of fencing to do the job.
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! Let x = width
3x+7= length
2( ) + 2( )= Perimeter
2(x) +2(3x+7)=78
2x+6x+14=78
8x=78-14
8x=64
x=64/8=8 feet = width
3x+7= length
3(8)+7 = length
24+7=31 feet
Check: 2*8+2*31
16+ 62 =78 so it checks!!
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