Talia is on a road trip with some friends. In the first 2 hours, they travel 100 miles. Then they hit traffic and go only 30 miles in the next hour. The last hour of their trip, they drive 75 miles.
Calculate the average speed of Talia’s car during the trip. Give your answer to the nearest whole number.____Mph

Question

Talia is on a road trip with some friends. In the first 2 hours, they travel 100 miles. Then they hit traffic and go only 30 miles in the next hour. The last hour of their trip, they drive 75 miles.
Calculate the average speed of Talia’s car during the trip. Give your answer to the nearest whole number.____Mph

anonymous · Answer

Use$$v_{avg} = \frac{ \Delta d }{ \Delta t }$$where $\Delta d$ is the total distance in miles and $ \Delta t$ is the total time in hours.