Statistics & Probability
The cafeteria staff made sandwiches. Each sandwich had either rye or white bread, either ham or turkey, and either cheese or no cheese. The staff made an equal number of each type of sandwich. The sandwiches were placed on a tray. Without looking, Mary will choose a sandwich. What are the chances that Mary will get a sandwich with cheese?
1/2
The radius of the circle is 8, what is the diameter?
16
Two angles that add to equal 90 degrees are what type of angles?
Complementary
Kevin is paid $8.80 per hour. He worked 7 hours. He gave his mother 1/4 of his earnings. How much did Kevin have left?
$46.20
Tony bought a $48 sweatshirt and used a coupon for a 10% discount. How much did Tony pay?
$43.20
Joni scored the following on her tests: 70, 60, 80, 90, 90, 100, 80.
Sally scored the following on her tests: 100, 50, 90, 90, 70, 70, 70.
Who has a higher median score
Sally
What is the circumference of a circle with a diameter of 10?
31.4
Two angles with a sum of 180 degrees are what type of angles?
Supplementary
Mr. Kelly pays $12,564 a year for rent. His rent is a constant amount each month. How much does Mr. Kelly pay per month?
1047
Jay bought dinner for $23.00 and paid a 15% tip. How much did he pay in total?
$26.45
Jane wants to pick out an outfit for the school dance. She can choose from 3 pairs of pants, 5 shirts, and 2 pairs of shoes. How many different outfits does Jane have to choose from?
30
What is the area of a circle with a diameter of 10?
Angle x and angle y are vertical angles. Angle x = 35 degrees. angle y = ?
35 degrees
Janet can make 4/5 of a necklace in 20 minutes. At this rate, how many necklaces, to the nearest tenth of a necklace, can Janet make in 1 hour?
2.4
Alex bought a jacket and paid 7% sales tax. If he paid $3.50 in tax, how much did he pay for the jacker?
$50.
Four friends each flipped a coin different numbers of times.
Alice got heads 75% of the time.
Mary got heads 8 out of 10 times.
Sarah got heads 17 out of 20 times.
Ellen got heads 3/5 of the time.
Who had the greatest percentage of heads?
Sarah
Fred and Brad are sharing a 16 inch pizza that is cut into 8 equal pieces. if they each eat 2 pieces, what is the area of the remaining pizza?
100.48 in2
A triangle has two known angles 45 degrees and 60 degrees. What is the measurement of the third angle?
75 degrees
Craig earns the same amount of money each month. His telephone bill is 1/20 of his monthly earnings, and he pays a total of $720 each year for his telephone service. How much does Craig earn each month, in dollars?
$1200
Chris bought a suit that was originally priced at $125. He had a coupon for 10%, but had to pay 6% sales tax. How much did Chris pay for the suit?
119.25
A library has 12,500 fiction books and 19,000 nonfiction books.
Currently, 2/5 of the fiction books are checked out.
Currently, 2/5 of the nonfiction books are checked out.
Of the books checked out, 1/10 are due back this week.
How many books are due this week?
1260
The radius of a circle is 3 1/2 feet. What is the area of the circle?
38.465 ft2
Angles a & b are supplementary. Angle a = (4x) degrees and angle b = (x + 80) degrees. What is the value of x?
20
A recipe requires 1/4 cup of oil for every 2/3 cup of water. How much oil (in cups) is needed per cup of water?
3/8
Shannon bought a pair of jeans for $50, a shirt for $23, and a pair of shoes for $67. She had a coupon for 15% off her total purchase. Sales tax is 7%. How much did she pay for her total purchase?
127.33