The blue

The blue and red coats originally cost the same. Then red prices rose by 27%, and blue prices fell by 87%. Then their price differed by CZK 300. How much did the originally blue coat cost?

Correct answer:

m =  263.16 Kc

Step-by-step explanation:

q1​=100%+27%=1+10027​=1.27 q2​=100%−87%=1−10087​=0.13  m⋅ q1​−m⋅ q2​=300 m⋅ 1.27−m⋅ 0.13=300  1.14m=300  m=1.14300​=263.15789474  m=195000​≐263.157895=195000​ Kc=263.16 Kc

Try another example


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







Tips for related online calculators
Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?

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

Units of physical quantities:

Grade of the word problem:

Related math problems and questions: