Question 462062
basically the first boat got ahead by 12.5 miles
the second boat gains on the first boat at 10 mph.
how long will it take the second boat to go 12.5 miles gaining at 10 mph

r*t=d
25*(t+1/2)=35t
25t+12.5=35t
12.5=10t
1.25=t
1 hour 15 minutes