SOLUTION: The perimeter of a rectangular field is 312 yards. If the width of the field is 72 yards, what is its length?

Algebra ->  Sequences-and-series -> SOLUTION: The perimeter of a rectangular field is 312 yards. If the width of the field is 72 yards, what is its length?      Log On


   

Question 303022: The perimeter of a rectangular field is 312 yards. If the width of the field is 72 yards, what is its length?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
312=2L+2W
312=L+2*72
312=2L+144
2L=312-144
2L=168
L=168/2
L=84 YDS. ANS FOR THE LENGTH.
PROOF:
312=2*84+2*72
312=168+144
312=312