direction: identify the base rate the presented do it on your sheet of paper.
rate
base
percentage
1. 20%of 40 is 8
2.540is 45%of 1200
3.13% of 300 is 39
4.34 is 85% of 40
5.30% of 120 is 36
pls answer now
rate
base
percentage
1. 20%of 40 is 8
2.540is 45%of 1200
3.13% of 300 is 39
4.34 is 85% of 40
5.30% of 120 is 36
pls answer now
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Answer :
1. 20 % of 40 is 8
Rate: 20%
Base : 40
Percentage : 8
2. 540 is 45 % of 1200
Rate : 45%
Base : 1200
Percentage : 540
3. 13 % of 300 is 39
Rate : 13%
Base : 300
Percentage : 39
4. 34 is 85 % of 40
Rate : 85%
Base : 40
Percentage : 34
5. 30 % of 120 is 36
Rate : 30%
Base : 120
Percentage : 36
Remember the formula;
Percentage = Base x Rate
Base = Percentage / Rate
Rate = Percentage / Base
And in these kind of problems the Base (B) is always with the " of " word in the phrase, Percentage (P) is always with the " is " word while Rate (R) is always with " % " sign.
Example :
16 % of 300 is 48
Rate : 16%
Base : 300
Percentage : 48