If James can swim 10 laps in 24 minutes what would be his expected time for 15 minutes.
10/24 = x/15
24x=150
x=6.25
he can swim 6.25 laps in 15 minutes
6.25 laps
first you simplify the laps and minutes 10/24 = .4166 repeating
so its .41 laps every minute
.41*15 minutes = 6.25