In a Math test, there were 60 problems which to be done in 1 hour. A student completes 30 problems in 20 minutes, the average time in seconds for completing each of the remaining problem is --------.
In a Math test, there were 60 problems which to be done in 1 hour. A student completes 30 problems in 20 minutes, the average time in seconds for completing each of the remaining problem is --------.
Explanation
Step by Step Explanation;