You leave on a trip in order to attend a meeting that will start after you begin your trip. Along the way you plan to stop for dinner. If the fastest you can safely drive is 65 mi/h, what is the longest time you can spend over dinner and still arrive just in time for the meeting

2.96 h

Explanation:

We are given that

Speed of man,v=65mi/h

Time ,t=9.9 h

Total distance,s=451 miles

We have to find the time which you can spend over dinner and still arrive juts in time for the meeting.

Distance,

Using the formula

Difference between distance=643.5-451=192.5 miles

Time,=

Hence, you can spend maximum time over dinner=2.96 h

i think the answer would be b

technology is the application of the knowledge gained by science.