A. Complete the table. Original Value New Value Increase in value (Difference of new value and original value) 100 120 250 400 Percentage increase 150 65 74.75 9.15 180 225 199 298.5 Original Value New Value Increase in value (Difference of new value and original value) Percentage decrease 100 90 130 420 23% 67% 1,328 272 1,200 4,800
Answer (1)
Percentage Increase:100 → 120: Increase = 20, % = (20/100)×100 = 20%250 → 400: Increase = 150, % = 60%150 → 65: decrease (skip; this is for % decrease table)74.75 → 9.15: decrease180 → 225: Increase = 45, % = 25%199 → 298.5: Increase = 99.5, % = 50%Percentage Decrease:100 → 90: Decrease = 10, % = 10%130 → 420: increase (skip; mismatched in table)23% → 67%: not valid data for decrease1328 → 272: Decrease = 1056, % = 79.52%1200 → 4800: increase
