Pa help po math to mababa grade ko rito pls ayusin niyo

Hello!
R - Rate
B - Base
P - Percentage
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Rate (r) - is the number of hundredths parts taken. This is the number followed by the percent sign.
Base (b) - is the whole on which the rate operates.
Percentage (p) - is the part of the base determined by the rate.
Example: 5% of 40 is 2.
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