Question 1180567
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It is so simple . . . that I do not understand why you are so worried.



<pre>
    From the text and from the context, Annie has 2 hours, from 3:30 pm to 5:30 pm, to get the airport.


    She will reach the airport in 2 hours, if her rate of travel on the road/highway will be


        160 kilometers divided by 2 hours = {{{160/2}}} = 80 km/h.    <U>ANSWER</U>
</pre>

Solved, answered, and carefully explained.


It is one of typical and simplest &nbsp;Travel @ Distance &nbsp;problems for beginners.



Every person who drives a car and is planning his &nbsp;(or her) &nbsp;time ahead, &nbsp;solves such problems &nbsp;MENTALLY &nbsp;every day.



And for normal student / person / driver it takes 3 - 5 seconds to solve it mentally - 
approximately the same time as to look in his or her wristwatch on his or her hand.



Happy learning &nbsp;(!)