25% of 80
[tex]\frac{25}{100}\times80=20[/tex]10% of 200
[tex]\frac{10}{100}\times200=20[/tex]20% of 150
[tex]\frac{20}{100}\times150=30[/tex]50% of 40
[tex]\frac{50}{100}\times40=20[/tex]12% of 250
[tex]\frac{12}{100}\times250=30[/tex]60% of 50
[tex]\frac{60}{100}\times50=30[/tex]Based on their values, the percentages can be classified into two classes
Value
25% of 80, 10% of 200, 50% of 40
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