Determine unknown number if you know that difference between five times and triple of number is 42.
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:
- Number unknown
Adela thought the two-digit number, she added it to its ten times and got 407. What number does she think?
- Addition of Roman numbers
Added together and write as decimal number: LXXXV + CDXXI
- Father and son
Father is 44 years old, his son 16 years. Determine how many years ago was the father five times older than the son.
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
- 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?
- 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?
- Jam cakes
Mom baked a third of plum jam cakes, one third cheesecakes and 18 poppy. How many cakes she had bake?
- If-then equation
If 5x - 17 = -x + 7, then x =
Solve equation: 4(a-3)=3(2a-5)
- Temperature 2
Sunday's high temperature was 3 degrees higher than Saturday's. On Monday, the temperature fell 5 degrees, then rose 7 degrees on Tuesday and 4 more on Wednesday. Then it fell 17 degrees to a record low of 31 on Thursday. What was the temperature on Saturd
Mom bake cookies. Rolo took 2/9 of all cookies, Michal 3/9. How many cookies ate Rolo if Michal had 9.
- Jan and Dan
Jan and Dan had the same money. Jan bought 5 workbooks and left him 15 CZK. Dan 6 and left him nothing. How much money have in total?
The park has 64 benches. Occupied are by 18 more than empty. How many benches are occupied and empty ?
1/3 poppy cake, 1/3 apple, 15 pieces of cheese. How many are totally cakes?
Francis went to buy ice lollies. If he buy 8 popsicles he missed 4 USD. When he buy 7 popsicles, got back 1 USD. How many USD was a popsicle?
- 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?
- Math classification
In 3A class are 27 students. One-third got a B in math and the rest got A. How many students received a B in math?