bewellplus.gsu.edu
Melimels Melimels
  • 16-06-2014
  • Mathematics
Answered

The length of a swimming pool is 8m longer than its width and the area is 1o5m2?

Verified Answer :

Riya25
Riya25 Riya25
  • 16-06-2014

Let the breadth be x
length=x+8
according to the question
area of the pool = lb
105=x
x+8
if u solve this equation further u will get the answer

Answer Link
jim766
jim766 jim766
  • 16-06-2014


length = w + 8 and  width = w and A = 105

A = W L

105 =w(w + 8)

105 = w² + 8w

0 = w² + 8w - 105

0 = (w + 15)(w -7)

0 = w + 15   or 0 = w -7

w = -15      or   w = 7

width cant be negative, so

w = 7  and L = 7 +8

w = 7 and L = 15

7 15 = 105  check 

Answer Link

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