Unknown number xyz
Find the number that its triple is 24. Solve by equation.
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?
- I think
I think a number. When I multiply it by five, and after that I subtract 477, I get the same number as if I multiplied it twice. What number do I think?
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.
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?
A line of print on a computer contains 64 characters (letters, spacers or other chars). Find how many characters there are in 7 lines.
Jitka read on holidays book that has 180 pages. In the first week read 45 pages. In the second week she read 15 pages more than the first week. How many pages left to read it yet?
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?
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?
Solve equation: 4(a-3)=3(2a-5)
- 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?
- 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?
- If-then equation
If 5x - 17 = -x + 7, then x =
- 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? ...
- Tulips and daffodils
Farm cultivated tulips and 211 units on 50 units more daffodils. How many spring flowers grown together?
Friday 13th is in 4 days. What day is today and what day it is?
- 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)?
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?