Vocab
A _____ is a comparison that of two quantities using division.
Ratio
Write the following fraction as a percent:
3/20
15%
What is 72% as a decimal?
0.72
What is 80% of 50?
80/100 x 50/1= 4000/100 simplified to 40/1
80% of 50 is 40.
Two or more fractions that name the same amount are_______.
Equivalent Fractions
Write 0.5% as a fraction in simplest form.
1/200
What is the decimal 0.524 as a percent?
52.4%
What is 175% of 24?
42
Ratios that name the same comparison are _________.
Equivalent Ratios
What is 80% written as a fraction in simplest form?
4/5
Write the number in two other forms:
0.01
1/100 and 1%
40% of the students in the sixth grade at Andrew's school participate in sports. If 52 students participates in sports, how many sixth graders are there at Andrew's school?
130 students
To write a fraction or a ratio so that the numerator and denominator have only 1 as a common factor is to______
Simplify
George completed 60% of his homework assignment. Write the portion of his homework that he still needs to complete as a fraction.
40/100=2/5
True or false: The decimal .463 written as a percent is .463%.
If false, correct the sentence to make the statement true.
False! The decimal .463 is 46.3%
24 is 5% of what number?
480
A ratio that compares a number to 100.
Percent
About 23/40 of a lawn is planted with Kentucky bluegrass. What percent of the lawn is planted with Kentucky bluegrass?
57.5%
The portion of shoppers at the mall who pay with a credit card is 0.36. What percent of the shoppers do not pay with a credit card?
64%
Andy's total bill for lunch is $20. The cost of the drink is 15% of the total bill and the rest is the cost of the food. What percent of the total bill did Andy's food cost? What was the cost of his food?
85%
His food costs $17