Percentage/Ratios Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio?

Back

Ratios can be expressed in three ways: using a colon (e.g., 2:7), the word 'to' (e.g., 2 to 7), or as a fraction (e.g., 2/7).

Front

What is 50% of a number?

Back

50% of a number is half of that number.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 65% becomes 0.65.

Front

What is the formula to find a percentage of a number?

Back

The formula is: (Percentage / 100) * Total Number.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100. For example, 0.04 becomes 4%.

Front

What is 25% of 200?

Back

25% of 200 is 50.

Front

What is the name of the coin that represents 10% of a dollar?

Back

A dime represents 10% of a dollar.

Front

What is 75% as a decimal?

Back

75% as a decimal is 0.75.

Front

If a shirt costs $40, what is the price after a 20% discount?

Back

The price after a 20% discount is $32.