And those I ask to make by Promo mathematics task number 1333 urgently with the decision of ladies of 15 points

99
174 3/5 = 174.6 1) 174.6 - 157.8 = 16.8 km - by bicycle 2) 174.6 - 72.1 = 102.5 km - by bus 3) 157.8 - 102.5 = of 55.3 km - on the boat.
164
Answer add