Apply the Percent Proportion

Which of these is set up correctly for "What percent of 55 is 80"?

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All percents are out of what?

• 1

• 10

• 100

• 1000

What are the two strategies you can use to apply percent?

• Set up & solve a proportion

• convert % to a decimal, then multiply

• convert % to a decimal, then divide

• Set up & solve an equation

What percent is in color?

• 620%

• 1/2

• 60%

• 62%

What is 30% of 80?

• 30

• 24

• 2.4

• 56

What is 90% of 250?

• 245

• 225

• 255

• 244.33

What percent is in color?

• 3%

• 30%

• 33%

• 300%

For which of the problem(s) below would the proportion be valid? (Select ALL that apply.)

• Mr. Lloyd has a goal of running 40 miles this week. So far, he has achieved 70% of his goal. How many miles has he run so far this week?

• Ms. Hewston’s most recent Science test had 40 total questions. 70% of the questions were multiple choice. How many multiple-choice questions were on her test?

• Mr. Denning has 40 hits this past baseball season. If 70% of his hits were singles, how many singles did he have this season?

• While fishing, Dr. Lee caught 40 striped bass. If this was 70% of the total number of fish that he caught, how many total fish did he catch?

What is 60% of 75?

• 15

• 45

• 80

• 125

60% of what number is 75?

• 15

• 45

• 80

• 125