Show:
Algebra
Probability
Proportions
Percents
Grab Bag
100
Simplify the expression: 2x - 3y +10x +y
What is 12x -2y
100
A student is randomly selected from a class of 32 students. What is the probability that the selected student is a boy, if there are 20 girls in the class?
What is 3/8
100
Julie goes to the mall and sees that she can buy 2 sets of earrings for $15. If she wants 3 sets total, how much would it cost?
What is $22.50
100
If Brandon spends $75 on dinner at Red Lobster and wants to pay a 15% tip, how much would he pay total?
What is $86.25.
100
Raffle tickets cost $3 each. Write an equation that shows the total cost c of buying r raffle tickets.
What is 3r=c
200
Simplify the following expression: 2.5x + 0.1x - 0.01x
What is 2.59x
200
A quarter coin is tossed two times. What is the probability that the coin will land heads up both times?
What is 1/4
200
Jan buys 12 pens for #10. Each pen costs the same amount of money. Write a proportion to find the number of pens Jan can buy for $15. Then solve your proportion for the number of pens.
What is 18 pens.
200
Ben wants to buy a guitar. The regular price of the guitar is $329.99. The sale price of the guitar is 25% off of the regular price. What is the sale price of the guitar?
What is $247.49.
200
The temperature was -3 degrees Celsius on Friday and dropped overnight by 9 degrees Celsius. What was the temperature on Saturday morning?
What is -12 degrees Celsius
300
Evaluate the expression for x= 0.4 2(x - 0.1) + 1 =
What is 1.6
300
Miss O'Rourke rolled a diced numbered 1-6 and ended up with a 2. If she rolls the dice 300 more times, how many times do you expect she would roll a 2 again?
What is 50 times.
300
Fred is grocery shopping and sees that the price of 6 melons is $9.00. If Fred wants to buy 10 melons, how much would it cost?
What is $15.
300
A car costs $21,949. If the tax rate is 7.5%, find the total cost of the car.
What is $23,595.18
300
Find the solution of the inequality: 6x - 15 < 3
What is x < 3
400
The solution for the equation 4x - 2 = 17 is
What is 4.75
400
Matia is deciding what kind of pizza to eat. After 5 minutes she can't decide and wants to randomly select a slice. There are 3 cheese slices and 2 pepperoni. What is the probability that she will select one pepperoni slice?
What is 2/5
400
If 5 tomatoes cost $2, what is the unit price of the tomatoes? How much would a dozen tomatoes cost?
What is 40 cents. A dozen would cost $4.80.
400
A sweater is marked down 33% off the original price. The original price was $37.50. What is the sale price of the sweater before sales tax?
What is $25.12
400
The temperature in St. Cloud, Minnesota, was -4 degrees Fahrenheit on January 27th. On January 28th it was 13 degrees Fahrenheit. What is the difference in temperatures from January 28th and the 27th?
What is 17 degrees?
500
Solve for x in the equation below: 8(2x - 3) = -16
What is x = .5
500
Pam wants to buy a suitcase. She can choose from 5 colors: tan, blue, green, black, and red. There are 3 sizes: small, medium, large and there are also 2 different types of materials: leather and nylon. How many different combinations of color, size, and material are possible for Pam's suitcase?
What is 30?
500
Whitney earns $206.25 for 25 hours of work. How much does Whitney earn per hour? At this rate, how much does Whitney earn in 30 hours?
What is $8.25 per hour. $247.50 for 30 hours.
500
A group of 4 friends went to a restaurant. The bill came to a total of $75.00. If a gratuity of 20% is added to the bill, how much would each person pay if the bill was split evenly?
What is $22.50
500
What is the greatest common factor of 42, 63, and 105?
What is 21