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

Answer 1

The answer is 51

Explanation: Edg2020

Answer 2

51.25 mph

Step-by-step explanation:

`Speed=\frac {Distance}{Time}`

Total distance= 100 miles + 30 miles + 75 miles=205 miles

Total time=2 hours+1 hour+1 hour= 4 hours

Average speed,
`s=\frac {205 m}{4 h}=51.25 mph`