Answer :
Well so far, Kate has saw 65% of her workout
65% of total = 26
0.65 * t = 26
t = 26/0.65
t = 40 laps
65% of total = 26
0.65 * t = 26
t = 26/0.65
t = 40 laps
This is a case where you want to divide your 26 by .65, which is the percentage done... this gives you your answer of 40