1. 25% of 4 is 1
Solution:
Percentage: ?
Base: 4
Rate: 25% (convert to decimal) 0.25
Formula for Percentage - Base × Rate
Therefore, 4 × 0.25 = 1 (percentage, ANSWER)
2. 2 is 40% of 5
Solution:
Percentage: 2
Base: 5
Rate: ?
Formula for Rate: [tex]\frac{Percentage}{Base}[/tex] or Percentage ÷ Base
Therefore, 2 ÷ 5 = 0.4 ---> convert to percent ----> 40% (rate, ANSWER)
3. 60% of 80 is 48
Solution:
Percentage: ?
Base: 80
Rate: 60% (convert to decimal) 0.60
Formula for Percentage: Base × Rate
Therefore, 80 × 0.60 = 48 (percentage, ANSWER)
4. 18 is 33% of 54
Solution:
Percentage: 18
Base: 54
Rate: ?
Formula for Rate: [tex]\frac{Percentage}{Base}[/tex] or Percentage ÷ Base
Therefore, 18 ÷ 54 = 0.33 ---> convert to percent ---> 33% (rate, ANSWER)
5. 30% of 400 is 120
Solution:
Percentage: 120
Base: ?
Rate: 30% (convert to decimal) 0.30
Formula for Base: [tex]\frac{Percentage}{Rate}[/tex] or Percentage ÷ Rate
Therefore, 120 ÷ 0.30 = 400 (base, ANSWER)
