Property

The length of the rectangle-shaped property is 8 meters, less than three times the width. If we increase the width by 5% of a length and length reduce by 14% of the width, it will increase the property perimeter by 13 meters. How much will the property cost if per 1 square meter we will pay € 8.6?

Correct answer:

x =  12235908

Step-by-step explanation:


a = 3b - 8
2[(b + 0.05a) + (a-0.14 b)] = 2(a+b)+13
x = 8.6 · 2062 · 690

a = 3·b - 8
2·((b + 0.05·a) + (a-0.14·b)) = 2·(a+b)+13
x = 8.6 · 2062 · 690

a-3b = -8
0.1a-0.28b = 13
x = 12235908

Row 2 - 0.1 · Row 1 → Row 2
a-3b = -8
0.02b = 13.8
x = 12235908


x = 12235908/1 = 12235908
b = 13.8/0.02 = 690
a = -8+3b = -8+3 · 690 = 2062

a = 2062
b = 690
x = 12235908

Our linear equations calculator calculates it.



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for 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 a quadratic equation?
Do you want to convert length units?

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


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: