Discounts on rail (ZSSK)

The railway company ZSSK offers a discount of 15% (REGIONAL) for 5 Eur/year. Calculate the real discount rate as a percentage, where passengers will travel 19 Eur per week.

Correct answer:

p =  14.6 %

Step-by-step explanation:

r=5+52 19=993 q=10015100=17201.1765  b=52 19 q=52 19 1720=17197601162.3529  p=100 bbr=100 17197601719760993=14.6%

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