Vincent sets off from his home on a 70 km journey to his friend's house. He travels the first 40 km of his journey at an average speed of 40 km/h and the remaining at an average speed of 60 km/h. Calculate the average speed for his entire journey.

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step