Reducing number

Reducing the an unknown number by 28.5% we get number 243.1. Determine unknown number.

Correct result:

x =  340


x-0.285x = 243.1

x-0.285•x = 243.1

0.715x = 243.1

x = 340

Our simple equation calculator calculates it.

We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you!

Showing 0 comments:

Tips to related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

You need to know the following knowledge to solve this word math problem:

Next similar math problems:

  • Percentage reduction
    sales_percentages Reducing the unknown number by 19% get number 700.7 Determine unknown number.
  • If we
    math_4 If we increase the unknown number by 4%, we get 780. Determine the unknown number.
  • Unknown number 5
    seven I think of an unknown number. If we enlarge it five times then subtract 3 and the result decreases by 75% we get one greater than the number. What number am I thinking of?
  • Unknown number x
    percents2_4 5% from an unknown number equals the number 26. What is the unknown number?
  • Unknown number
    percent 15% of the unknown number is 18 less than 21% of the same number. What is the unknown number?
  • Unknown number 10
    num_1 Number first increased by 30%, then by 1/5. What percentage we've increased the original number?
  • Unknown number 7
    percents2_9 16% of the unknown number is by 21 less than unknown number itself. Determine the natural unknown number.
  • Grams
    chemia_1 How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution?
  • Four numbers
    equilateral_triangle_5 The first number is 50% second, the second number is 40% third, the third number is 20% of the fourth. The sum is 396. What are the numbers?
  • Vinegar 2
    ocet How many percentages of vinegar solution will we get if we mix 3.5 liters of 5.8% and 5 liters of 7.6% vinegar?
  • Unknown number 24
    numbs_6 f we add 20, we get 50% of its triple. What is this unknown number?
  • Cinema tickets
    listky Cinema sold 180 tickets this Thursday, which is 20%. Monday 14%, Tuesday 6%, Wednesday 9%, Friday 24%, Saturday 12%, and Sunday 15%. How many tickets were sold per week?
  • Property
    pozemok The length of the rectangle-shaped property is 8 meters less than three times of the width. If we increase the width 5% of a length and lendth reduce by 14% of the width it will increase the property perimeter by 13 meters. How much will the property cost
  • Percent
    percentage_2 Calculate how many % is the number 26.25 less than the number 105.
  • UN 1
    bulb2 If we add to an unknown number his quarter, we get 210. Identify unknown number.
  • Percentages 5
    usd_1 $5.25 is 7 1/2% of what number?
  • Percentage increase
    percent_31 Increase number 400 by 3.5%