16-week
Lesson
10
(8-week
L
i
(
esson
8)
Applications
of
Linear
Equatig
5.
When
a
popular
band
played
at
Elliott
Hall,
the
box-office
receipts
tgtaled
$120,000.
Non-student
tickets
cost
3
times
more
than
student
tickets.
If
4,000
students
attended
the
concert,
as
well
as
2,000
non-
students,
what
was
the
ticket
charge
for
each?
How
much
did
student
tickets
cost
?
x
dollars
How
many
students
attended
the
concert?
4,000
students
How
much
did
non-student
tickets
cost
?
3x
dollars
How
many
non-students
attended
the
concert?
2,000
students
e
revenue
was
generated?
(write
an
How
much
total
box-offic
$
from
non-student
tickets
=
total
3)
equation;
3
from
student
tickets
+
$
from
students
+
$
from
non
—
students
=
Total
$
dollars
dollars
)
:
———————1(2000
—
students)
=
$120000
(x
e
dent)
(4000
students)
+
(3x
e
dent
(
non
—
students)
4000x
dollars
+
6000x
dollars
=
$120000
$10000x
=
$120000
w
=12
student
tickets
cost
$36
each.
o
student
tickets
cost
$12
each
while
non-