Mathematics, 13.10.2020 14:01 yasdallasj
A train travels at an average speed of 70 miles per hour for one hour.
It stops at a station for a half hour. Then the train travels at an average
speed of 60 miles per hour for another hour.
Answers: 1
A train travels at an average speed of 70 miles per hour for one hour.
It stops at a station for a...
Mathematics, 05.11.2019 09:31
Mathematics, 05.11.2019 09:31