Problema Solution
A motorboat leaves the harbor at 7 am at the rate of 9 mph towards a small island. Two hours later, a cabin cruiser leaves the same station at the rate of 18 mph towards the same island. At what time will the Cabin Cruiser overtake the first?
Answer provided by our tutors
distance travelled by motorboat is 9*(2+x)
distance traveled by cabin is 18*x
=>18*x=18+9x
=>9x=18
=>x=2
so they will meaat at 11am