# Collection

Majka gave from her collection of calendars Hanke 14 calendars, Julke 12 calendars and Petke 11 calendars. Still remains 83 calendars. How many calendars had Majka in her collection at the beginning?

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Postal stamps

Jano and Peter exchanged postal stamps. Jano gave Peter 32 stamps of the missile for 8 stamps with turtles. How good was Jano after this exchange (how many he has surplus in exchanged stamps)? - Bus 2

On the 6-th stop 44 passengers take off from bus. Overall, the 6-th stop 13 passengers were added. How many passengers take on 6-th stop? - Skiing

Ski gondola starts at a distance of 975 m from the top and is 389 meters long. I went to the bottom station to the top station. How many meters I must go to the top of hill? - Tulips and daffodils

Farm cultivated tulips and 211 units on 50 units more daffodils. How many spring flowers grown together? - Car parking

The car park has 45 motorcycles and 25 cars. 14 cars went away and 2 arrived, then departs 12 motorcycles and 2 arrive. How many motorbikes and cars there are now? - Curtains

For room equipment bought Hanak 50 m curtains. On the dining room needed 90 m and 90 m to hallways of curtains. How many meters of curtains bought totally? - Bus

On the 4-th stop take on 56 and take off 38 passengers. How many were added (write as positive number) or shrunk (write as negative number) the count of passengers? - Hotel

The rooms in the mountain hotel are double and triple. Double rooms are 25 and triple are 17 more. How many rooms are there in this hotel? - Mom and dad

Mom wants talk with dad 3.3 hours. But dad wants of 2 times more hours than mom ... How many hours wants dad talk with mom? ... - Roman numerals +

Add up the number writtens in Roman numerals. Write the results as a decimal number. - Roman numerals 2+

Add up the number writtens in Roman numerals. Write the results as a roman numbers. - Shoes 4

Belinda's shoe is 12.45 centimeters long. Felix's shoe is 2.8 centimeters longer than Belinda's shoe. In centimeters, what is the combined length of their two shoes? - Decimal expansion

Calculate: 2 . 1 + 0 . 10 + 7 . 10000 + 4 . 1000 + 6 . 100 + 0 . 100000 = - Three numbers

How much we increases the sum of three numbers when the first enlarge by 14, second by 15 and third by 16? Choose any three two-digit numbers and prove results. - Fedor

Fedor stood in the small pool. Above the surface was a part of his body that was twice as long as part of his body underwater. What height does Fedor have, if his body part below the surface is 5 dm long? - Glasses

Imagine a set of students in your class (number of students: 25), who wears glasses. How much minimum and maximum element may contain this set. - Fridays

Friday 13th is in 4 days. What day is today and what day it is?