Question
"central park is 5 meters longer than it is wide. The area is 2250 square meters. find the length of the park"
Answers
Reiny
width --- x
length --- x+5
x(x+5) = 2250
x^2 + 5x - 2250 = 0
(x - 45)(x+50) = 0
x= 45 or x = -50, last part is silly
length is 50, width = 45
check: area = 45(50) = 2250
length --- x+5
x(x+5) = 2250
x^2 + 5x - 2250 = 0
(x - 45)(x+50) = 0
x= 45 or x = -50, last part is silly
length is 50, width = 45
check: area = 45(50) = 2250