L15 Finding This Percentage of That cloned 3/6/2022

15.2: Audience Size

A school held several evening activities last month—a music concert, a basketball game, a drama play, and literacy night. The music concert was attended by 250 people. How many people came to each of the other activities?

Attendance at a basketball game was 30% of attendance at the concert.

A school held several evening activities last month—a music concert, a basketball game, a drama play, and literacy night. The music concert was attended by 250 people. How many people came to each of the other activities?

Attendance at the drama play was 140% of attendance at the concert.

A school held several evening activities last month—a music concert, a basketball game, a drama play, and literacy night. The music concert was attended by 250 people. How many people came to each of the other activities?

Attendance at literacy night was 44% of attendance at the concert.

Are You Ready For More?

A school held several evening activities last month—a music concert, a basketball game, a drama play, and literacy night. The music concert was attended by 250 people. How many people came to each of the other activities?

Use your answer from #3

50% of the people who attended the drama play also attended the music concert. What percentage of the people who attended the music concert also attended the drama play?

15.3: Everything is On Sale

During a sale, every item in a store is 80% of its regular price.

If the regular price of a T-shirt is $10, what is its sale price?

During a sale, every item in a store is 80% of its regular price.

The regular prices of five items are shown here. Find the sale price of each item.

You found 80% of many values. Was there a process you repeated over and over to find the sale prices? If so, describe it.

Which of the following expressions could be used to find 80% of x? Be prepared to explain your reasoning.

Order the values from least to greatest

1. 65% of 80
2. 82% of 50
3. 170% of 30