# Square sides

If the square side increases by 28%, the square circumference increases by 11.2 meters. Find the length of the original square side.

Result

a =  10 m

#### Solution:

4*(a+28/100a) = 11.2 + 4*a

112a = 1120

a = 10

Calculated by our simple equation calculator.

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

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

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?

## Next similar examples:

1. Profit growth
The profit of a company increased by 25% during the year 1992, increased by 40% during the year 1993, decreased by 20% in the year 1994 and increased by 10% during the year 1995. Find the average growth in the profit level over the four years periods?
2. A screen
A screen is 1680 x 1050 pixels. What are the coordinates (and size in pixels) of an centered area which is exactly 33% of the screen size?
3. Horizontal distance
The road has a gradient of 8%. How many meters will the road rise on a horizontal distance of 400m?
4. Red diplomas
He numbers of students with honors in 2013 and 2014 are in ratio 40:49. How big is the year-on-year percentage increase?
5. Persons
Persons surveyed:100 with result: Volleyball=15% Baseball=9% Sepak Takraw=8% Pingpong=8% Basketball=60% Find the average how many like Basketball and Volleyball. Please show your solution.
6. River
Calculate how many promiles river Dunaj average falls, if on section long 957 km flowing water from 1454 m AMSL to 101 m AMSL.
7. STRESSED word
Each letter in STRESSED is printed on identical cards, one letter per card and assembled in random order. Calculate the probability that the cards spell DESSERTS when assembled.
8. Discount price
Coat cost 150 euros after sales discount. What is the original price when the discount is 25% of the original price?
9. Family
94 boys are born per 100 girls. Determine the probability that there are two boys in a randomly selected family with three children.
10. Company and employees
There are 370 employees in the company - women are 15% less than men. How many men work in the company?