On a 120km track,a train travels the first 30km wat a uniform speed of 30km/h.How fast must the train travel the next 90km so as to average speed about 60km/h for the entire trip?
On a 120km track,a train travels the first 30km wat a uniform speed of 30km/h.How fast must the train travel the next 90km so as to average speed about 60km/h for the entire trip?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
1 Replies