7.4.a: Percent Concepts

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) × 100

Front

If there are 100 items and 35 of them are a specific type, what percentage of the items are that type?

Back

35%

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is 40% of 300?

Back

120

Front

If 40% of a group prefers one option and 40% prefers another, what percentage prefers a third option if the total must equal 100%?

Back

20%.

Front

What does it mean when a tip is described as a percentage of the total cost?

Back

It means the tip is added to the total cost.

Front

How do you express 175% as a decimal?

Back

1.75

Front

What is the equivalent percentage of 0.05?

Back

5%.

Front

If a store has a sale of 25% off, how much will a $200 item cost after the discount?

Back

$150.

Front

What is the relationship between fractions and percentages?

Back

A fraction can be converted to a percentage by multiplying by 100.