Percent and Percentage Change
An interest rate increases from 3.5% to 5%. Express this change in percentage points.
1.5 percentage points
What is the change factor for a 22% decrease?
0.78
Which axis on a coordinate system is vertical?
y-axis
Jason spends 56 kr to buy 8 pens. What is the price per pen?
7 kr per pen
How many bones are in the average human skeleton?
206
An interest rate decreases from 8% to 6%. Express this decrease in percent.
25%
What is the change factor for a 31% increase?
1.31
In which quadrant is the x value negative but the y value positive?
Quadrant II
Marie drives 575 km in 5 hours. What is her average speed in km per hour?
115 km per hour
What do you call a group of witches?
A coven
Of 900 students in a school, 558 say they are planning to dress up for halloween. What percentage of the students is this?
62%
A candle cost 300 kr before being put on sale for 15% off. What is the new price of the candle?
255 kr
Starting from the origin, you move 4 spaces right, 3 spaces down, 1 space to the left, then 4 spaces up and plot a point. What would be the coordinate for this point?
(3, 1)
630 kr
What's another name for a lycanthrope?
Werewolf
A class got an average score of 53% on the first unit exam and an average score of 67% on the second. By what percentage did their class average improve? Round to the nearest tenth of a percent.
26.4%
The price of a book was increased by 15%. If the new price is 230 kr, what was the old price?
200 kr
Neville's frog travels 30 meters in 30 hops. Identify the independent and dependent variables.
Dependent variable - distance
Independent variable - number of hops
Ernie spends 144 kr on 6 cinnamon buns, while Bert spends 256 kr on 8 cinnamon buns. Who got the better deal?
Ernie
Who wrote the 1818 classic book “Frankenstein?”
Mary Shelley
Nora is shopping for a phone plan. Option A will cost 270 kr per month, and option B will 3 000 kr for the year. What percentage cheaper is option B? Round to the nearest tenth.
7.4%
A sofa was put on sale for 20% off. When it still didn't sell, the store put it on sale for an additional 30% off. What was the total percentage decrease in the price of the sofa?
44%
Noah buys 4 new bunches of flowers to decorate his home. He spends 272 kr.
Complete the sentence:
In this example, _____ is a function of _____.
In this example, cost is a function of the amount of flowers (in bunches).
The fastest train in the world could travel 11 000 km in a day. What is the speed of the train in meters per second? Round to the nearest whole number.
127 meters per second
Before pumpkins, which root vegetable did the Irish and Scottish carve on Halloween?
Turnips (rovor)