Discounts/markups and tax
Combining like terms
Percents,decimals and fraction
Statistics
ratios and proportions
100
I got a pair of shoes on sale for 50% off the original price of $200, What is my final price?
$100
100
2 12
___ = ___
r 18
3
100
What is .09 as a percent?
9%
100
Define:
Mean, Median, Mode and Range
Mean: The "average"
Median: The "middle" value in the list of numbers
Mode: The value that occurs most often
Range: The difference between the largest and smallest values.
100
What formula do we use when finding the proportional relationship between X and Y on graphs and charts?
Y=KX where K represents the constant
200
A TV that originally costs $560 is discounted 30%. What is the final price after a 7% tax is applied?
$419.44
200
Evaluate -1/8(16n+24)
-2N + (-3)
200
Convert 13.5% into a decimal and fraction
decimal: 13.5 Fraction: 135/1000
200
What do Quartiles 1, Quartile 2 and Quartile 3 represent in Box and Whisker Plots?
The first quartile (Q1) is the median of the UPPER half of the data set.
The second quartile (Q2) is the median of the ENTIRE data set.
The third quartile (Q3) is the median of the LOWER half of the data set.
200
In a recipe for icing, the instructions say that to put icing on 1 batch of cupcakes, you will need 2 yellow drops of food coloring and 5 drops of blue food coloring.
Determine the number of food coloring drops that will be needed for the various batches of cupcakes.
1 batch of cupcakes = ____________drops of food coloring
3 batches of cupcakes = ____________ drops of food coloring
5 batches of cupcakes = ____________ drops of food coloring
1 batch of cupcakes = 7 drops of food coloring
3 batches of cupcakes = 21 drops of food coloring
5 batches of cupcakes = 31 drops of food coloring
300
Original Price=$13 Discount = 15% Sales Tax= 9%
12.04
300
Distribute and combine like terms :
-(-8h+v)+10h
18h-v
300
Reduce:
350/400
7/8
300
Alejandra is playing a board game. In order to win, she must roll a six sided die and have it land on a number greater than four. Which statement describes the probability that Alejandra will win the game on her next turn?
likely
certain
unlikely
impossible
3 Unlikely 2/6
300
A rectangle with a length of 18 feet has a perimeter of 60 feet. What is the ratio of the perimeter to the area?
60:216
400
A laptop originally costs $800. This week the store applies a 20% discount. Next week, the store will mark-up the discounted price by 20%. What will the final price of a laptop be next week?
$768
400
Evaluate:
1/4y+3/4(y-8)
Y-6
400
Turn the mixed fraction 6 2/5 into a improper fraction?
32/5
400
In a poll of students who play football, 67% say that football is their favorite sport. The editor of the school paper is on the team, and he wants to write an article for the paper saying that football is the most popular sport at the school. Explain why this is not a valid conclusion and suggest a way to gather better data to determine what sport is most popular.
Not valid because the survey does not represent the entire population. Football players are most likely to pick football as their favorite sport.
400
Bennie swims 6 laps in 4.5 minutes. What is this rate in seconds per lap?
45 seconds per lap.
500
The price of a toy car is $25.75. Customers receive a 12% discount. What is the final cost of the toy car if a customer has a coupon for an additional 10% off the sale price?
$20.3
500
9(-1/3m+4)-6m
-9m+36
500
Two number cubes with faces numbered 1 to 6 are rolled. What is the probability that the sum of the rolls is 8?
number of ways u get 8
2,6
6,2
3,5
5,3
4,4
= 5ways
500
A student teacher is given a guideline that a student should be able to finish a 32-question test in 28 minutes. If the student teacher is planning to give a test that contains 160 questions (You’re welcome for never doing that…), and the average student completes questions at the same rate as previously state, how many minutes should she plan for the average student to complete the test?
140 min