Percentage increase

Increase number 400 by 3.5%

Correct result:

x =  414

Solution:

$$\begin{gathered} q=3.5\mathrm{\%}=1+{\displaystyle \frac{3.5}{100}}=1.035 \\ x=400\cdot q=400\cdot 1.035=414 \end{gathered}$$

Try another example

Showing 0 comments:

Related math problems and questions:

• Inflation
  Once upon a time, tsar owned a money printer and printed and printed. The result of printing money prices went up,in the first year 3.9 %, in the second 6%, in the third 4.7% and in the fourth 5.5%. Then tsar was failed in election. Calculate the average
• 3y inflation
  Price of the roll rise in the first year by 9%, the second year fell by 5% and in the third year increased by 3%. Calculate the average annual increase in price of the roll.
• Price inflation
  This year the average wage grew by 4.5%. Prices rose by 2%. How much did the real wage increase in the given year?
• If we
  If we increase the unknown number by 4%, we get 780. Determine the unknown number.
• Percents from percent
  How much is 13% of 20% of 500 greater than 8% of 14% of 200?
• Property
  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
• Four numbers
  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?
• Geography tests
  On three 150-point geography tests, you earned grades of 88%, 94%, and 90%. The final test is worth 250 points. What percent do you need on the final to earn 93% of the total points on all tests?
• Megapizza
  Megapizza will be divided among 100 people. First gets 1%, 2nd 2% of the remainder, 3rd 3% of the remainder, etc. Last 100th 100% of the remainder. Which person got the biggest portion?
• Unknown number 10
  Number first increased by 30%, then by 1/5. What percentage we've increased the original number?
• Vinegar 2
  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?
• Acid solution
  By adding 250 grams of a 96% solution of sulfuric acid to its 3% solution its initial concentration was changed to 25%. How many grams of 3% of the acid were used for dilution?
• Percent
  Calculate how many % is the number 26.25 less than the number 105.
• 3 years
  The company has increased the number of employees. In year 2005 compared to 2004 13% more, in 2006 18% more against the previous year, in year 2007 20% more compared to 2006. How many % increase in the number of employees in 3 years?
• Cinema tickets
  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?
• Percent to number
  To increase that number by 5 percent, we need to multiply it by:
• Air draft
  The numbers 1,2,3,4,5 are written on five tickets on the table. Air draft randomly shuffled the tickets and composed a 5-digit number from them. What is the probability that he passed: and, the largest possible number b, the smallest possible number c, a