Final answer:
To find the decimal and reduced fraction of a percentage, divide the percentage by 100. To solve for the base, divide the given number by the percentage as a decimal or fraction. To find the percentage of a quantity, divide the portion by the total and multiply by 100.
Step-by-step explanation:
To find the decimal and reduced fraction of a percentage, divide the percentage by 100.
For example, the decimal form of 9% is 0.09 and the reduced fraction is 9/100.
To solve for the base, divide the given number by the percentage as a decimal or fraction.
For example, to find the number that 140 is 120% off, divide 140 by 1.2 to get 116.67.
To find the percentage of a quantity, divide the portion by the total and multiply by 100.
For example, to find the percentage of production that is defective, divide 46.8 by 7,800 and multiply by 100 to get 0.6%.