A. Identify the base, rate, and percentage. Then, find the value of the unknown,
Given Rate Percentage n
1. 30% of n is 1.8
2. 240 is n% of 400
3. 2.4 is 30% of n
4. 225 is 25% of n
5. 70% of n is 14.7
6. 113 is 13% of n
7. 28% of n is 196
8. 35% of n is 1200
9. 175.5 is 11% of n
10. n is 40% of 65
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• Answers:
Identify the base, rate, and percentage. Then, find the value of the unknown.
The value of the unknown can be found when you use the formula: Percentage = Base × Rate. You may transform first the rate from percent to fraction or decimal then simplify.