1.

Two friends A and B, on their last day in college, decided to meet after 20 years on a river. A had to sail 42 km to the meeting place and B had to sail 250/7 % less. To arrive at the meeting place at the same time as his friend B, A started at the same time as B and sailed with the speed exceeding by 5 km/h the speed of B. Find the speed of A:

Answer»


ANSWER :14 km/h


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