Understanding Percentages: Rate, Base, and Percentage

If a bag originally costs 500 pesos and is on sale for 50% off, what is the discount amount?

• 100 pesos

• 200 pesos

• 250 pesos

• 300 pesos

In the statement '250 pesos is 50% of 500 pesos', what is the base?

• 50%

• 500 pesos

• None of the above

• 250 pesos

Which term is represented by the number that comes after the word 'of'?

• None of the above

• Percentage

• Base

• Rate

What is the formula to calculate the percentage if the rate and base are known?

• P = R + B

• P = R x B

• P = R / B

• P = R - B

How do you convert a percentage to a decimal?

• Move the decimal point two places to the right

• Remove the percent sign

• Move the decimal point two places to the left

• Add a zero at the end

What is 20% of 300?

• 30

• 90

• 60

• 120

If 12 is what percent of 24, what is the rate?

• 50%

• 75%

• 25%

• 100%

In the problem '15 is 20% of what number?', what is the base?

• 100

• 15

• 20

• 75

To find the base when given the percentage and rate, which formula is used?

• B = R / P

• B = P + R

• B = P / R

• B = P x R

What is the first step in solving for the rate when given the percentage and base?

• Multiply percentage by base

• Divide percentage by base

• Add percentage to base

• Subtract base from percentage