Algebra 2 Summer Worksheet Page 9
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1425.
Y ou
a re
o rdering
T -‐shirts
f or
t he
l acrosse
t eam
f rom
a
c atalog.
E ach
T -‐shirt
c osts
$ 15,
i ncluding
t he
RHS
l ogo.
T he
c ost
o f
s hipping
i s
$ 6
n o
m atter
h ow
m any
y ou
o rder.
T he
t otal
c ost
i s
$ 111.
(a)
S et
u p
a n
e quation
w here
T
=
#
T -‐shirts
o rdered
a nd
t he
e quation
m odels
a n
e quivalent
r elationship
with
t he
g iven
i nformation.
(b)
S olve
f or
T
t o
f ind
h ow
m any
T -‐shirts
w ere
o rdered.
26.
S olve
t he
f ollowing
s ystem
o f
e quations
b y
e ither
s ubstitution
o r
e limination:
x + y = 10
3x − 5y = −66
27.
S olve
f or
t he
v ariable.
2
5
1
x +
= x −
− 10x − 8 = 0
(a)
(b)
3x
(c)
2
3
6
2
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