Fractions, Decimals and percents
Write 2/5 as a percent
40%
What is the mode?
45, 46, 47, 47, 47, 48, 48, 48, 48, 48, 50
48
Donna bought 20 packs of starbursts and then she ate 12. What percent of starburst packs did she eat?
Donna ate 60% of the starburst packs.
Write an algebraic expression:
The product of x and 24
x24 OR 24x
What is 7/8 represented as a decimal?
.875
What is the median?
7, 8, 9, 10, 11, 12, 13, 14, 15
11
What is 20% of 30?
*Hint* you can use % proportion OR Convert to decimal.
6
Write an algebraic expression:
Ten more than twice a number
2x+10
What is 5/8 represented as a percent?
62.5%
What is the mean?
20,15,18,12,15,17,22
17
Out of 500 bottles of water, 135 are Poland springs. What percent of the water bottles are Poland springs?
27% of the water bottles are Poland springs.
Write an algebraic expression:
Three times the difference between a number and seven
3(x-7)
What is 5/9 represented as a decimal?
.555 repeating
What is the median?
55, 47, 42, 52, 43, 44, 40, 51, 53
47
60% of the dogs at the park are black labs, the rest are poodles. There are 72 black labs at the park, how many total dogs are at the park?
There are 120 total dogs at the park.
Evaluate when x is 3
5(x+2) + 2(6-x) + 2x+3
3
5(3+2) + 2(6-3) + 2(3) +3
3
25+6+3=34
Write 7/21 as a percent.
*hint reduce the fraction first**
33.3%
What is the mean?
1,7,4,6,9,10,12,6,7,8
7
Kiley has $4,500.00 in the bank. If she has an interest rate of 7%, what will her total amount be in three years?
*hint* multiply the interest rate by the number of years and add the total amount.
The interest rate for one year= $315.00
The interest rate for three years= $945.00
In three years the total amount in her bank account will be $5,445.00
Evaluate when y=7
(5y+2) minus (2y+5)
(5(7) +2) - (2(7) +5)
(35+2) - (14+5)
37-19=18