Janka and Marienka calculated that there are 210 gingerbreads on the gingerbread house. Janko ate one-seventh of all gingerbreads, and Marienka ate a third less than Janko. How many gingerbreads remained in the gingerbread house?

n =  160

### Step-by-step explanation:

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips to related online calculators
Need help to calculate sum, simplify or multiply fractions? Try our fraction calculator.

## Related math problems and questions:

• Cakes
On the bowl were a few cakes. Jane ate one-third of them, and Dana ate a quarter of those cakes that remained. a) What part (of the original number of cakes) Dana ate? b) At least how many cakes could be (initially) on the bowl?
• Cake fractions
Thomas ate 1/3 of cake, Bohouš of the rest of the cake ate 2/5. What fraction of cake left over for others?
• Two pizzas
Jacobs mom bought two whole pizzas. He ate 2/10 of the pizza and his dad ate 1 1/5. How much is left.
• Cupcakes
In a bowl was some cupcakes. Janka ate one third and Danka ate one quarter of cupcakes. a) How many of cookies ate together? b) How many cookies remain in a bowl? Write the results as a decimal number and in notepad also as a fraction.
• School
There are 150 pupils in grade 5 . 2/3 of them are female. By what fractions are the males?
• Money borrow
Ms. Kate wants to borrow € 2,000. Company A will borrow ten payments of 240 euros and the first two months do not pay anything. Company B borrows in 12 payments of € 210. Which company has the more favorable interest rate for Ms. Kate?
• Fruit candies
Zuzka and Janka ate fruit candies. Zuzka ate 10 and Janka ate 3 times more. How many sweets did both girls eat together?
• Pimps
There were 24 pimps in the plate. Maros ate 12, his little sister four times less. How many pimps remained in the plate?
• Fractions
Sort fractions z1 = (6)/(11); z2 = (10)/(21); z3 = (19)/(22) by its size. Result write as three serial numbers 1,2,3.
• Students at cinema
All pupils from the school went to the cinema for a film performance. The cinema has 400 seats, 2 rows of 20 seats remain unoccupied. Teachers occupied 10 places. How many students were there?
• Pupils
Two classes want to collect money. Boys are four-seventh pupils. In time did not pay a quarter of the boys and a sixth of girls, which mean 12 sinners. How many pupils attend these two classes?
• House numbering
The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers.
• Infants water
The tank, which has 10 hectoliters of water for infants, went 580 liters in the morning and 340 liters in the afternoon. How many liters left in the tank?
• Dairy
Diary workers calculated according to the standards from the 108 litres of milk is possible to produce 9 kg cheese. How many tons of cheese was possible according to standards make from milk from 100 cows devoted for 30 days with average daily milk yield
• Voting
Four hundred employees cast their votes in a board member election that has only two candidates. One hundred twenty people vote for candidate A, while half of the remaining voters abstain. How many votes does candidate B receive?
• I think number
I think number.When I add 841 to it and subtract 157, I get a number that is 22 greater than 996. What number I thinking?
• Cottage house
The village is 28 km from the cottage. Father goes from village to cottage. Son goes from the cottage to the village. They meet 10 km further behind the cottage. How much did dad walk?