Question

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

Answer 1

2.96 h

Step-by-step 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,
`d=v* t`

Using the formula

`d=65* 9.9=643.5 miles`

Difference between distance=643.5-451=192.5 miles

Time,=
`t'=(difference\;in\;distance)/(speed)`

`t'=(192.5)/(65)=2.96 h`

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