![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The percent of teens is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ecca8e2f24459635fc1b69e9264773f5.png\")
.where t represents time in years since 2000.
| \
t \ | \
\
p = (15/4)t + 66 \ | \
\
p \ | \
\
(x, y) \ | \
| \
2000 \ | \
\
= (15/4)(2000) + 66 \ | \
\
7566 \ | \
\
(2000, 7566) \ | \
| \
2001 \ | \
\
= (15/4)( 2001) + 66 \ | \
\
7570 \ | \
\
(2001, 7570) \ | \
| \
2002 \ | \
\
= (15/4)( 2002) + 66 \ | \
\
7574 \ | \
\
(2002, 7574) \ | \
| \
2003 \ | \
\
= (15/4)(2003) + 66 \ | \
\
7577 \ | \
\
(2003, 7577) \ | \
| \
2004 \ | \
\
= (15/4)( 2004) + 66 \ | \
\
7581 \ | \
\
(2004, 7581) \ | \
| \
2005 \ | \
\
= (15/4)( 2005) + 66 \ | \
\
7585 \ | \
\
(2005, 7585) \ | \
| \
2006 \ | \
\
= (15/4)( 2006) + 66 \ | \
\
7588 \ | \
\
(2006, 7588) \ | \
| \
2007 \ | \
\
= (15/4)( 2007) + 66 \ | \
\
7592 \ | \
\
(2007, 7592) \ | \
| \
2008 \ | \
\
= (15/4)( 2008) + 66 \ | \
\
7596 \ | \
\
(2008, 7596) \ | \
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Graph Using Intercepts:
\Use these ordered pairs to graph the equation.
\1. Draw a coordinate plane.
\2. Plot the points.
\3. Draw a line through these points.
\![\"graph](\"/userfiles/image/Library/Algebra1/graph_linear_equation_p=3_75t+66.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Graph for the linear equation is