Two classes to collect money. Boys are four sevenths pupils. In time did not pay a quarter of the boys and a sixth of girls, which together mean 12 sinners. How many pupils attend this two classes ?
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:
There are 150 pupils in grade 5 . 2/3 of it are female. By what fractions are the males?
On the bowl were a few cakes. Jane ate one-third of them, 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 thebowl?
- Roses and tulips
At the florist are 50 tulips and 5 times less roses. How many flowers are in flower shop?
- Lengths of the pool
Miguel swam 6 lengths of the pool. Mat swam 3 times as far as Miguel. Lionel swam 1/3 as far as Miguel. How many lengths did mat swim?
Write the mixed number as an improper fraction. 166 2/3
- Forest nursery
In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
- Roman numerals 2+
Add up the number writtens in Roman numerals. Write the results as a roman numbers.
- Mixed numbers
Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 -2 2/3
At the bus stop 8 people take out and 10 people take into bus. Next stop 6 take out and 5 take in. On the third stop 6 take out and 3 take in. The bus traveled further with 39 people. How many passengers were originally at the bus?
- Roman numerals +
Add up the number writtens in Roman numerals. Write the results as a decimal number.
- Addition of Roman numbers
Added together and write as decimal number: XXXIV + MDCCXII
Zdeněk picked up 15 l of water from a 100-liter full-water barrel. Write a fraction of what part of Zdeněk's water he picked.
- 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?
1/3 poppy cake, 1/3 apple, 15 pieces of cheese. How many are totally cakes?
Solve equation: 4(a-3)=3(2a-5)
- In fractions
An ant climbs 2/5 of the pole on the first hour and climbs 1/4 of the pole on the next hour. What part of the pole does the ant climb in two hours?
- Simple equation 5
Solve equation with fractions: X × 3/8 = 1/2