You are swimming each 25 yard length of a swimming pool 3 seconds faster than your personal best. what integer represents your change in time of your personal best after 200 yards

To solve this problem you must apply the proccedure shown below:

1- The problem says that you are swimming each 25 yard length 3 seconds faster than your personal best and you have to calculate the change in time (which you can call ) of your personal best after 200 yards.

2- To calculate this, you must multiply 200 yards by 3 seconds and divide by 25 yards, as following:

Therefore, the answer is: 24 seconds.