Week 17 Warm up

Front

What is the formula to calculate the percentage of votes in favor of a proposal?

Back

Percentage = (Number of votes in favor / Total number of votes) x 100

Front

If a student scores 90% on a test with 30 questions, how do you calculate the number of correct answers?

Back

Correct Answers = Total Questions x (Percentage / 100) = 30 x (90 / 100) = 27

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 78% = 78 / 100 = 0.78.

Front

What is 60% of 120 students?

Back

60% of 120 = 120 x (60 / 100) = 72 students.

Front

Back

Front

How do you find the total number of votes if you know the percentage in favor and the number of votes in favor?

Back

Total Votes = Number of votes in favor / (Percentage in favor / 100)

Front

What is the relationship between fractions and percentages?

Back

Front

How do you express 0.75 as a percentage?

Back

To express 0.75 as a percentage, multiply by 100: 0.75 x 100 = 75%.

Front

What is the first step in solving a percentage problem?

Back

Identify the total amount and the part you are interested in.

Front

If 45 out of 150 students passed a test, what percentage passed?

Back

Percentage Passed = (45 / 150) x 100 = 30%.