An example of a problem involving time and percentage is: If I study 30% of the day, how many hours do I spend studying each day? The time I use to study is 7.2 hours each day.
To establish a mathematical problem we must take into account different aspects, one of them is the variables that we are going to use, in this case we must use:
According to the above, we can question ourselves about the percentage of time we use for some activity during a day, for example:
To know the hours we spend studying we must perform the following operations:
According to the above, we study 7.2 hours per day.
Learn more about mathematical problems in: https://brainly.com/question/1387129