Percentage 42121

Tomáš took out a loan to buy a washing machine. In the following 12 months, according to the contract, he had to repay the amount of 150 euros. The price of the washing machine is 1200 euros. What percentage is the annual interest rate? Write in the form % pa (pa = per annum).

Correct answer:

r =  50 %

Step-by-step explanation:

x=12 150=1800 Eur p=1200 Eur  i=xp=18001200=600 Eur  r=100 pi=100 1200600=1200100 600=120060000=50%



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