A manufacturing plant earned $
80
$80dollar sign, 80 per man-hour of labor when it opened. Each year, the plant earns an additional
5
%
5%5, percent per man-hour.
Write a function that gives the amount
A
(
t
)
A(t)A, left parenthesis, t, right parenthesis that the plant earns per man-hour
t
tt years after it opens.
A
(
t
)
=

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm

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