Multiplication - examples
- Watching TV
One evening 2/3 students watch TV. Of those students, 3/8 watched a reality show. Of the students that watched the show, 1/4 of them recorded it. What fraction of the students watched and recorded reality tv.
- Two thirds
Find two-thirds of the number equal to two-thirds of 99
- Double 5
Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number?
- Find the 6
Find the total cost of 10 computers at $ 2100 each and 7 boxes of diskettes at $12 each
On Monday, 33 tickets were sold. Every next day, twice as many as the previous day. How many tickets were sold on Friday and how many totally from Monday to Friday?
- Fractions 3
Calculate 1/9 of 27:
- Mixed with percentages
Calculate 33 1/3% of 570.
12, 60, -300,1500 need next 2 numbers of pattern
One brick is 6 kg and half a brick heavy. What is the weight of one brick?
Randy bought 6 same chocolates for 6 Eur. How many euros will he pay for 25 chocolates?
- Forestry workers
In the forest is employed 43 laborers planting trees in nurseries. For 6 hour work day would end job in 35 days. After 11 days, 8 laborers go forth? How many days is needed to complete planting trees in nurseries by others, if they will work 10 hours a da
Gross wage was 527 EUR including 16% bonus. How many EUR were bonuses?
- Motion problem
From Levíc to Košíc go car at speed 81 km/h. From Košíc to Levíc go another car at speed 69 km/h. How many minutes before the meeting will be cars 27 km away?
A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?
A man drinks a barrel of water for 26 days, woman for 48 days, for how many days they drink barrel together?
The root of the equation ? is: ?
We know little about this Greek mathematician from Alexandria, except that he lived around 3rd century A.D. Thanks to an admirer of his, who described his life by means of an algebraic riddle, we know at least something about his life. Diophantus's youth l
In stock are three kinds of branded coffee prices: I. kind......248 Kč/kg II. kind......134 Kč/kg III. kind.....270 Kč/kg Mixing these three species in the ratio 10:7:7 create a mixture. What will be the price of 1100 grams of this mixture?
One meter of the textile were discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile.
If you go at speed 3.7 km/h, you come to the station 42 minutes after leaving train. If you go by bike to the station at speed 27 km/h, you come to the station 56 minutes before its departure. How far is the train station?