Fractions
Convert 9/100 to a percent.
9%
Convert 0.272 to a percent.
27.2%
Convert 29% to a decimal.
.29
What is 20% of 500?
100
When converting percents to decimals, in which direction does the decimal move 2 places?
Left
Convert 1/5 to a decimal.
0.2
Convert .22 to a fraction.
11/50
Convert 75% to a fraction. Simplify, if possible.
3/4
What is 10% of 150?
15
When converting a fraction to a decimal, what do you add after the numerator?
A decimal and as many zeroes as needed.
Convert 7/28 to a percent.
25%
Convert .150 to a fraction.
3/20
Convert 13% to a fraction. Simplify, if possible.
13/100
What is 5% of 45?
2 1/4 or 2.25
In a proportion, when solving a percent problem, percent ALWAYS goes over which number?
100
Jennifer decided to donate 6 of her 50 pairs of shoes. Which decimal represents the amount of shoes that she donated?
.12
Jim still has .87 of his gas tank. What percent of his gas tank is left?
87%
While Brittany was shopping at Target, she noticed that the clothing section had a clearance rack with prices that were 75% off. What decimal represents the percent off that the clothes were being sold for?
.75
LJ has a total of 250 army guys. He gave 10% of the army guys to his cousin. How many army guys did LJ give to his cousin?
25
When converting decimals to fractions, how do you find the denominator?
Find the place value of the numerator. That is your denominator.
Ashton spends 18 hours every day studying for law school. What percent of the day does she spend studying? (HINT: there are 24 hours in one day)
75%
Danny used .14 of the chicken in the freezer to make dinner. What fraction represents how much chicken Danny used? Simplify, if possible.
7/50
Zachary correctly answered 98% of the questions on a World War II trivia quiz. Find a fraction that correctly represents the part of questions that Zachary answered correctly. Simplify, if possible.
49/50
Mrs. Fisk has gotten 17 new students since the beginning of the school year. The number of new students represents 13% of all of her students. Write a proportion to show how you would solve for the total number of students that Mrs. Fisk has.
13/100 = 17/x
When using a proportion to solve a percent problem, which two methods could possibly be used to solve for x, or the unknown number?
Scale factor OR cross-multiply and divide.