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March 2, 2015

March 2, 2015

Posted by **David** on Friday, February 15, 2013 at 9:11pm.

- Math -
**Reiny**, Friday, February 15, 2013 at 10:52pmoriginal:

width -- x

length -- x+8

area = x(x+8)

new width = x+2

new length = x+10

new area = (x+2)(x+10)

(x+2)(x+10) - x(x+8) = 60

x^2 + 12x + 20 - x^2 - 8x = 60

2x = 40

x = 10

original garden is 10 ft by 18 ft

check:

original area = 10(18) = 180

new area = 12(20) = 240

increase in area = 240-180 = 60

all looks good.

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