You leave on a 549 - $\text{mi}$ trip in order to attend a meeting that will start $10.8 \mathrm {~h}$ 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?
A) 2.4 h
B) 2.6 h
C) 1.9 h
D) You can't stop at all.

Question

You leave on a 549 - $\text{mi}$  trip in order to attend a meeting that will start $10.8 \mathrm {~h}$ 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?
A) 2.4 h
B) 2.6 h
C) 1.9 h
D) You can't stop at all.

Quizplus · Accepted Answer

To find the longest time you can spend on dinner, first calculate the travel time without stopping: $549 \text{ mi} / 65 \text{ mi/h} = 8.446 \text{ h}$. Subtract this from the total available time: $10.8 \text{ h} - 8.446 \text{ h} = 2.354 \text{ h}$. The closest option is 2.4 h.

You Leave on a 549 - mi\text{mi}mi Trip in Order to Attend a Meeting That Will Start

You Leave on a 549 - $\text{mi}$ Trip in Order to Attend a Meeting That Will Start