Trickster 2

Figliarko had in wallet a few cents. One friend returned 4 cents and another friedn 7 cents. Now he has 51 cents in the wallet. How many cents previously had in his wallet?

Result

x =  40

Solution:

Solution in text x =







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

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Next similar examples:

  1. Rolls
    rozky_2 Mom every day buys 6 rolls. On Friday buys 2 times as much. How many rolls buys on Friday?
  2. Christmas balls
    balls_christmas On the Christmas tree we put 22 Christmas balls of two colors. Eight of them were blue. How many Christmas balls was red?
  3. Toy Cars
    cars_children Peter has 27 toy cars, Zdenko has 8 toy cars less. How many toy cars has Zdenko?
  4. Aircrafts
    aircrafts_paper James make the 26 paper aircrafts. It is 5 pieces more than make Matthew. How many paper aircrafts maked Matthew?
  5. Floods
    povodne After the floods that hit a school, parents help repair the damage. My father worked at the school 38 hours, my mom 6 hours less. How many hours worked mother? How many hours worked my parents together?
  6. Free postage
    obchod Dad found out that when ordering goods over the Internet and will pay more than 60 euros do not pay a fee for postal delivery. He chose goods for 10, 20 and 15 euros. How many euros do we have pay for goods for free postage?
  7. Seals
    tulene There are 10 seals on floe. a) On Wednesday arrived a six and departed 2 seals. How many seals are on the floe? b) on Thursday arrived a 5 seals more then departed. How many seals are on the floe?
  8. Snow balls
    snehove-koule Adam made 24 snowballs. Boris made less snowballs. How many snowballs Boris could do?
  9. Salat
    sazenice-okurek Grandmother planted salad. In each row he planted 13 seedlings. After a morning frost many seedlings died. The first row five seedlings died. In the second row two seedlings died more than 1st row. In the third row three seedlings died less than 1st row. T
  10. Flowers & garden
    flowers_2 The garden grows 5 white flowers. Yellow 7 more than white. Blue 4 fewer than yellow. How many flowers grow together in the garden?
  11. Airport
    b737 On blue airport are 23 aircraft, flew 7 aircraft, the arrival 9 aircraft. How many planes were a blue airport tonight?
  12. Answer
    juice Mam used 5 red, 10 green apples and 3 pears to prepare juice. How many pieces of fruit used by mom to prepare this juice?
  13. Winnie
    bears Winnie Hugo had the right paw 10 punches and on 15 left more. How many punches has on left paw?
  14. Gingerbread
    honey_cakes John decorated 26 gingerbread and Annie 7 more. How many gingerbread decorated Annie?
  15. Family
    bigfamily The parents had 5 daughters. Each of them had one brother. How many members family had?
  16. Euro
    1euro I have 1 euro. How much will I have when you spend it on?
  17. Roman numerals 2-
    rome-italy_2 Subtract up the number writtens in Roman numerals. Write the results as a roman numbers.