Bråk och Procent
You have 10 blue marbles, 7 yellow marbles, and 8 green marbles. This is the percent that are blue.
What is 40%?
This is the bigger of 2/3 and 5/7.
This is the simplified form of 2a(b + 2) - 3a(1 - b)
What is 5ab + a?
This is the formula for the area of a circle.
What is pi x r squared?
You have 16 coins from different countries, of which 2 are American quarters. You pick one without looking. What is P(American quarter)?
What is 1/8 or 12,5%?
What is 50 kr?
3/10 + 3/4
What is 1,05 or 1 1/20?
This is the solution of 4(3 - y) = 2(y + 3)
What is y = 1?
This is the formula for the volume of any prism.
You have two bowls, one with 2 black balls and 1 red ball, and the other with 5 black balls and 4 red balls. You take one ball from each bowl. This is P(red, red).
What is 4/27?
This is 7% of 600 liters.
What is 42 liters?
1/6 + 0,7
What is 13/15?
A number is three times bigger than another number. If you add the smaller number to 40, you get the same answer as when you subtract the bigger number by 10. These are your numbers.
What are 25 and 75?
This is the volume formula for any pyramid.
What is V = Bh/3?
You draw a tree diagram for taking a ball from a bag of 3 red and 2 green marbles, without replacement. This is the probability you calculate by multiplying 3/5 by 2/4.
What is P(red, red)?
The price of a book increases by 20%, then decreases by 90%. The new price is 24 kr. This is the original price.
What is 200 kr?
3/5 / 2
What is 3/10?
A father is three times as old as his son, and his daughter is 3 years younger than his son. If the sum of all three ages 3 years ago was 63 years, this is the present age of the father.
This is 78 cubic meters in milliliters.
What is 78 000 000 ml?
The Belfast Giants have played 5 matches and the mean (medelvärdet) number of goals played is 3. When they play the 6th match, the mean increases to 4. This is the number of goals scored in the 6th match.
What is 9 goals?
You go fishing and catch 12 fish. This is 16% of all the fish in the lake. How many fish were in the lake?
What is 75 fish?
What is 1,1 x 10 to the 8th power?
Train A heads north at an average speed of 95 miles per hour, leaving its station at the precise moment as another train, Train B, departs a different station, heading south at an average speed of 110 miles per hour. If these trains are inadvertently placed on the same track and start exactly 1,300 miles apart, this is how long until they collide to the nearest minute.
What is 6 hours 20 min?
What is 110 pi square cm?
A group of people were asked their favourite fast food restaurant. McDonalds is represented on a pie chart with an angle of 156 degrees, KFC with 72 degrees, and Max with 74 degrees. The rest, 145 people, chose Burger King. If 145 people chose Burger King, this is the number of people who took the survey.
What is 900 people?