WILL GIVE BRAINLIEST

WILL GIVE BRAINLIEST AND 50 points

out of a port departed a steam boat with a speed of 36.8km/h. In 1.75 hours out of the same port and going the Sam direction departed a speed boat. In 1.8 hours after the the department of the speed boat, the distance between the speed boat and the steam boat was 86.9km( speed boat was behind) What was the speed boats speed in km/h?