Aperson walks at 2 metres per second for 8 seconds then at 1.5 metres per second for 8 seconds. what is the average speed

2 meters per second for 8 seconds

1.5 meters per second for 8 seconds

The average speed should be 1.8 or 1.7 but I think its 1.8

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb