Wood

Peter chops wood. If they cut down a half hours a day he ended work in 9 days. But Peter needs to end work 3 days earlier. How many minutes a day should cut down?

Result

x =  45 m

Solution:


9*30=(9-3)*x

6x = 270

x = 45

Calculated by our simple equation calculator.







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Next similar examples:

  1. Cakes
    cookies_2 Grandmother baked cakes. Half of its was poppy, quarter with plum jam and 16 cheesecakes. How many cakes she baked in total?
  2. Time
    clock_time 16.2 days ..... how many hours is it?
  3. Clock
    1clock How many hours are 15 days?
  4. Father and son
    father_son_1 Father is 44 years old, his son 16 years. Determine how many years ago was the father five times older than the son.
  5. Bed time
    clock-night-schr_3 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?
  6. Equation 29
    eq222_18 Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
  7. Six years
    children_9 In six years Jan will be twice as old as he was six years ago. How old is he?
  8. Unknown number 11
    numbers_33 That number increased by three equals three times itself?
  9. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  10. Negative in equation
    eq1_7 2x + 3 + 7x = – 24, what is the value of x?
  11. One-third
    krtek 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.
  12. Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  13. Addition of Roman numbers
    roman Added together and write as decimal number: XXXIV + MDCCXII
  14. If-then equation
    triangles_10 If 5x - 17 = -x + 7, then x =
  15. Aunt
    teta Annie aunt is 35 years old, Annie is 14 years. For how many years will aunt have twice as many years as Annie?
  16. Simple equation
    eq_1 Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
  17. Eq1
    eq1_3 Solve equation: 4(a-3)=3(2a-5)