Kenaikan 2009 = 12-8 / 8 × 100%
= 4/8 × 100%
= 50 %
Kenaikan 2010 = 16-12 / 12 × 100%
= 4/12 × 100%
= 33,3 %
Kenaikan 2011 = 18-16 / 16 × 100%
= 2/16 × 100%
= 12,5 %
Kenaikan 2009 = 12-8 / 8 × 100%
= 4/8 × 100%
= 50 %
Kenaikan 2010 = 16-12 / 12 × 100%
= 4/12 × 100%
= 33,3 %
Kenaikan 2011 = 18-16 / 16 × 100%
= 2/16 × 100%
= 12,5 %
Editor: Yulia Pramuninggar
Sumber: Buku Matematika Kelas 8 Semester 2