Seven times of my age is 8 less than the largest two-digit number. How old I am?
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:
- Unknown number 11
That number increased by three equals three times itself?
Susan's age will be after 12 years four times as much as twelve years ago. How old is Susan now?
- How old
The student who asked how many years he answered: "After 10 years I will be twice as old than as I was four years ago. How old is student?
Mom is 39 years old. Karl is eight years and Paul 4 years. For many years mother would old just like two children together?
Annie aunt is 35 years old, Annie is 14 years. For how many years will aunt have twice as many years as Annie?
- Bed time
Tiffany was 5 years old; her week night bedtime grew by ¼ hour each year. If, at age 18, her curfew time is 11pm, what was her bed time when she was 5 years old?
- Family 8
Father is 38 years old, daughter 12, son 14. How many years will father have as many years as his children together?
Three workers planted 3555 seedlings of tomatoes in one dey. First worked at the standard norm, the second planted 120 seedlings more and the third 135 seedlings more than the first worker. How many seedlings were standard norm?
- Dropped sheets
Three consecutive sheets dropped from the book. The sum of the numbers on the pages of the dropped sheets is 273. What number has the last page of the dropped sheets?
From the total number of trees in the orchard, there are two-fifths pearls and apples are three eighty. The rest of the trees are 9 ceremonial. How many trees are in the set?
- Equation 11
Solve equation: ?
- Simple equation
Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
- Find x
Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
- 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?
- Negative in equation
2x + 3 + 7x = – 24, what is the value of x?
- Equation 29
Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
- Simple equation
Solve for x: 3(x + 2) = x - 18