Grandfather 9001

Grandfather left the house on his bicycle at 1 p.m. He drove to the pond and returned home at 3:20 p.m. There and back, he rode the same road across the plain. He stayed at the pond for 1 hour. How many minutes did it take him to get to the pond?

Correct answer:

t1 =  40 min

Step-by-step explanation:

t=(15+20/60)13.001.00=341.3333 h t1=60 2t=60 234=40 min

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