Flashcardizz: Unit Review: Percents

Front

What is the formula to calculate percent?

Back

Percent = (Part / Whole) × 100

Front

If a student scores 45 out of 60 on a test, what is their percent grade?

Back

75% (Calculation: (45/60) × 100 = 75%)

Front

What is percent error?

Back

Percent error is the difference between the estimated value and the actual value, divided by the actual value, multiplied by 100.

Front

If a product costs $50 and is on sale for 20% off, what is the sale price?

Back

$40 (Calculation: 20% of $50 is $10; $50 - $10 = $40)

Front

What does it mean if a candidate receives 60% of the votes in an election?

Back

It means that 60 out of every 100 votes were cast for that candidate.

Front

How do you find what percent one number is of another?

Back

Divide the first number by the second number and multiply by 100.

Front

If a meal costs $25 and you want to leave a 15% tip, how much is the tip?

Back

$3.75 (Calculation: 15% of $25 is $3.75)

Front

What is the percent increase if a price goes from $20 to $25?

Back

25% (Calculation: ((25-20)/20) × 100 = 25%)

Front

If a student answered 18 out of 24 questions correctly, what is their percent correct?

Back

75% (Calculation: (18/24) × 100 = 75%)

Front

What is the total cost if a $40 item has a 10% sales tax?

Back

$44 (Calculation: 10% of $40 is $4; $40 + $4 = $44)