Basic Percents and Proportions Review

Front

What happens to the final cost of an item when it is marked up?

Back

The final cost will be higher than the original cost.

Front

What happens to the final cost of an item when it is marked down?

Back

The final cost will be lower than the original cost.

Front

What is the unit rate of water to flour if the ratio is 3/4 cups of water to 4 cups of flour?

Back

3/16 cups of water to 1 cup of flour.

Front

How much will you save on a $25 t-shirt with a 20% off coupon?

Back

You will save $5.

Front

If there are 110 students and 40% dressed up for College Day, how many students are wearing college attire?

Back

44 students are wearing their college attire.

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100.

Front

How do you calculate a percentage of a number?

Back

Multiply the number by the percentage (as a decimal). For example, 20% of 50 is 50 * 0.20 = 10.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you convert a fraction to a percent?

Back

Divide the numerator by the denominator and multiply by 100.

Front

What is the formula for finding the percent increase?

Back

Percent Increase = (New Value - Original Value) / Original Value * 100.