Borrowing bicycle

Jakub lent a bicycle to friends who wanted to ride it. For a three-hour bike ride, Jakub received 2 chocolates. Yup. If you wanted a bike for 2 hours, you had to give Jakub 12 candies. Peter gave Jakub 1 chocolate and 3 candies. How long can Peter ride Jakub's bicycle?


t = 2:00 h Wrong answer


c1=3/2=32=1.5 c2=2/12=160.1667  t=1 c1+3 c2=1 1.5+3 0.1667=2=2:00 h

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