End of Unit 3 Review

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) x 100

Front

If there are 24 pieces of fruit and 8 are oranges, what percentage of the fruit are oranges?

Back

33% (calculated as (8/24) x 100)

Front

What does it mean when an item is on sale for 50% off?

Back

It means the item costs half of its regular price.

Front

If a hat costs $40 at Store A and is 50% off, what is the sale price?

Back

$20 (calculated as $40 x 0.50)

Front

If a hat costs $30 at Store B and is 40% off, what is the sale price?

Back

$18 (calculated as $30 x 0.40)

Front

How do you determine which store has the better deal when comparing sale prices?

Back

Compare the sale prices of the items at each store.

Front

If Liam started 80% of his team's games and started 8 games, how many games did the team play?

Back

10 games (calculated as 8 / 0.80)

Front

What is the expected number of broken bulbs if 3% are expected to be broken in a batch of 600 bulbs?

Back

18 bulbs (calculated as 600 x 0.03)

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 percentage?

Back

Multiply the fraction by 100.