I embroider tablecloth in 20 days but if I embroider 3/4 hours a day I have embroider it for 15 days. How long do I embroider a day?
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:
Six trucks will be used to build the roadside 18 days. After 3 days, two more trucks were sent to build. How long will it take for material move?
5 tractors will plow the field for 8 hours. In 2 hours, 1 tractor broke down. How long do the remaining tractors complete the plow?
Jožko with Fero painted the bench for four hours. How many hours would take work if four friends help him?
Janitor tosses 26 cm layer of snow on the school grounds for 90 minutes. How many friends would have to call for help if snow needs to have bowled for 15 minutes. We assume that at the same time bow all the same amount of snow.
Annie aunt is 35 years old, Annie is 14 years. For how many years will aunt have twice as many years as Annie?
To number pages of thick book was used 4201 digits. How many pages has this book?
- Simply equation
Solve this equation for x: ?
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?
- 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?
- Unknown number 11
That number increased by three equals three times itself?
Mom is 39 years old. Karl is eight years and Paul 4 years. For many years mother would old just like two children together?
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- 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?
- Six years
In six years Jan will be twice as old as he was six years ago. How old is he?
- Negative in equation
2x + 3 + 7x = – 24, what is the value of x?
- Find x
Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
A one-third of unknown number is equal to five times as great as the difference of the same unknown number and number 28. Determine the unknown number.