SOLUTION: The length of a new rectangular playing field is 4 yards longer than quadruple the width. If the perimeter of the rectangular playing field is 578 yards,what are its dimensions?
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Question 312160: The length of a new rectangular playing field is 4 yards longer than quadruple the width. If the perimeter of the rectangular playing field is 578 yards,what are its dimensions?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=4W+4
P=2L+2W
578=2(4W+4)+2W
578=8W+8+2W
10W=578-8
10W=570
W=570/10
W=57 ANS.
L=4*57+4
L=228+4
L=232 ANS.
PROOF:
578=2*232+2*57
578=464+114
578=578
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