a man walks at a speed of 2.1 3 hour for 2 hours and at a speed of 11 by 2 kilometre however for next 2 hours find the distance travelled by the man in 4 hours
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Distance, rate and time problems are a standard application of linear equations. When solving these problems, use the relationship rate (speed or velocity) times time equals distance.
\[r\cdot t=d\]
For example, suppose a person were to travel 30 km/h for 4 h. To find the total distance, multiply rate times time or (30km/h)(4h) = 120 km.
The problems to be solved here will have a few more steps than described above. So to keep the information in the problem organized, use a table. An example of the basic structure of the table is below
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