Need help quick!! Cant figure this out

The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.

Step-by-step explanation:

Physically speaking, average speed (), measured in miles per hour, is the distance travelled (), measured in miles, divided by time (), measured in hours. That is:

(1)

The time needed by the vehicle is:

If we know that and , then the average velocity of the car is:

The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

x/3-10=8

x/3=18

x=48