Paula and Pamela set off on their touring bikes from Lappeenranta to Mikkeli at [[$ 18 $]] km / h. Draw a graph to approximate the girls' place in terms of cycling time. The distance between Lappeenranta and Mikkeli is [[$ 118 $]] km.

a) How long has it been since departure for the girls to be halfway through the journey?

Answer: It has been about h min since the departure when the girls are half way.

b) how many kilometres are left after five hours?

Answer: km are left after five hours.

c) Check the results of a) and b) using the speed formula by calculating. Do you think the graph is accurate enough?

Answer: The check gives the results of h min and km.