The range of swim times is 5.6 hr. The range of a set of data is the difference between the highest and lowest values in the set. To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.
Every month that you make a partial payment, your credit card account will fall further and further past due. You will go from 30 to 60 to 90 days past due. This information will be reported on your credit file and your credit score will be lowered.
If you deviate from your plan and are unable to pay off the full credit card balance at the end of the month, the student loan payment(s) could wind up negatively skewing your credit utilization rate, which is how much debt you are carrying versus how much credit you have available.