Pets in ZOO
The zoo have run for pets. They are chickens, pigs and cow. Altogether there has 20 heads and 60 feet. How many chickens and piglets are there?
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:
- School marks
Boris has a total of 22 marks. Ones have 3 times less than threes. There are two twos. How many has ones and threes?
- Jan and Dan
Jan and Dan had the same money. Jan bought 5 workbooks and left him 17 CZK. Dan 6 and left him nothing. How much money have in total?
- 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?
- Foot in bus
It was 102 people on the bus. 28 girls had two dogs. A 11 girls had one dog. At the next stop seceded 5 dogs (even with their owners). They got two boys together with three dogs. The bus drove one driver. How many foot were in bus?
In the zoo was elephants as many as ostrichs. Monkeys was 4 times more than elephants. Monkeys were as many as flamingos. Wolves were 5 times less as flamingos. How many of these animals were together? We know that there were four wolves.
Honza had three cages (black, silver, gold) and three animals (guinea pig, rat and puppy). There was one animal in each cage. The golden cage stood to the left of the black cage. The silver cage stood on the right of the guinea pig cage. The rat was in the
Martin has just as brothers as sisters. His sister Jana but has 2 times more brothers than sisters. a) How many children are in this family? b) How many boys and how many girls are in the family?
Nelly found interesting point. An empty bag weighs 4 kg less than full. And empty bag is 5 times easier than full. How many kg weigh things in this bag?
The park has 64 benches. Occupied are by 18 more than empty. How many benches are occupied and empty ?
- Apples 3
Julka has 5 apples more than Hugo and four apples less than Annie. Hugo has 17 apples. How many apples has Julka and how Annie?
Kurt went to buy ice lollies. If he buy 5 popsicles he missed 5 USD. When he buy 4 popsicles, got back 2 USD. How many USD was a popsicle?
- Apples 5
In six crates are 45 kg of apples. In five crates were the same amounth and in one crate was 3 kg of apples more. How many kg of apples were in each crate?
- Mom and dad
Mom wants talk with dad 2.4 hours. But dad wants of 2 times more hours than mom ... How many hours wants dad talk with mom? ...
- If-then equation
If 5x - 17 = -x + 7, then x =
- Unknown number xyz
Find the number that its triple is 24. Solve by equation.
Solve equation: 4(a-3)=3(2a-5)
- Addition of Roman numbers
Added together and write as decimal number: LXXXVIII + DLXXXVIII