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.
It could conceivably hurt your credit mix (one of five factors that affect your credit score). However, credit mix accounts for only 10% of your score, so keep that in mind. Other options might be to pay off your loan and also take out a much smaller installment loan, so you have both the benefit of an installment loan and more available income.