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135 day 2 January 28, 2015
w(y+z)=x+6distribution
wy+wz=x+6
wy = x+6wz y= x+6wz
w
lcd: x1*x2
8x1x2=
8x1x2 = yx2 +yx1
8x1x2 yx2 = yx1 factor out
x2(8x1 y ) = yx1
x2 = y x1
8x1 y
135 day 2 January 28, 2015
n is middle
n1 previous
n+1 next
n 1 + n + n + 1 = 3n
135 day 2 January 28, 2015
A
B
4.70$
lb
5.85$
lb
lb
lb
$
$
$lb
x
3x
4x 623
x = 155.75
135 day 2 January 28, 2015
135 day 2 January 28, 2015
3.50 + .5 * 3.50
3.50 + 1.75 = 5.25
519.99 * 1.0775= 560.289...
135 day 2 January 28, 2015
15cu
100gg cu
55cu
100gg cu
28
100
28*15/1004.2cu
55
59.2 cu
59.2
128g
135 day 2 January 28, 2015
120 +.06x=300+.05x
135 day 2 January 28, 2015
Inequalities x + 2 > 7
x > 5
x > 7ex:
x < 7
DONT DIVIDE BY NEGATIVE WITHOUT SWITHCHING INEQUALITY
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
[2 , 0)
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
135 day 2 January 28, 2015
great ORor
less th 'and'and
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