math 035
posted by mmm .
The area of a rectangular garden is 140
square meters. The width is 3
meters longer than onehalf
of the length.

math 035 
Reiny
length  x
width x/2 + 3
x(x/2 + 3) = 140
x^2 /2 + 3x  140 = 0
x^2 + 6x  280 = 0
(x  14)(x + 20) = 0
x = 14, we reject the x = 20
length is 14 m, width is 10 m
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