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Sagot :

✓ Finding the base, percentage and rate!

> See the attached photos for solution.

> The formula you'll use will always be the same unless you derive another one, though the answer will just be the same.

Derived Formula for Rate:

Rate = Percentage / Base

Dervied Formula for Base:

Base = Percentage / Rate

> For the rate, if it is in decimal, move the decimal point 2 units to the right to convert it to percent.

For example,

0.2 = 20%

0.764 = 76.4%

0.89 = 89%

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