5.
T here
a re
a
l ot
o f
f actories
i n
t he
J ean’s
h ome
c ity.
T he
e quation
− + 15 = 0
d escribes
h ow
m uch
a
worker
m ight
e arn,
,
i n
d ollars
p er
h our,
a ccording
t o
t he
n umber
o f
y ears
e xperience,
.
F ind
t he
h ourly
earnings
o f
a
b eginning
f actory
w orker,
a nd
o f
a
w orker
w ith
5
y ears
e xperience.
6.
T he
e quation
9 − 5 + 160 = 0
d escribes
t he
r elationship
b etween
t emperature,
,
i n
d egrees
Celsius,
a nd
t emperature,
,
i n
d egrees
F ahrenheit.
a)
E xpress
t his
e quation
i n
t he
f orm
= +
b)
G raph
t his
r elation