Problem no. 2 A man started on his mountain bike for Manila, a distance of 30km, intending to arrive at a certain time. After biking for 10km, he was detained due to bad weather for half an hour. As a result, he had to speed up 2kph faster. What was his original speed?
Problem no. 2 A man started on his mountain bike for Manila, a distance of 30km, intending to arrive at a certain time. After biking for 10km, he was detained due to bad weather for half an hour. As a result, he had to speed up 2kph faster. What was his original speed?
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