Question 1162991
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Again, it is a TWIN problem to the one solved 10 minutes ago.


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<pre>
If d is one way distance, then you have this "time" equation


    {{{d/180}}} + {{{d/120}}} = 4  hours     (total flight time).


Multiply both sides by 360 and get 


    2d + 3d = 1440

    5d      = 1440

     d      = {{{1440/5}}} = 288 miles.     <U>ANSWER</U>
</pre>

Solved.


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Using &nbsp;"time" &nbsp;equation is a &nbsp;STANDARD &nbsp;method of solving such problems.

From my post, &nbsp;learn on how to write, &nbsp;how to use and how to solve a &nbsp;"time" &nbsp;equation.


To see many other similar solved problems, &nbsp;look into the lessons

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&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/word/travel/Time-equation-HOW-TO-write-it-and-how-to-solve-it.lesson>Time equation: HOW TO use, HOW TO write and HOW TO solve it</A> 

in this site.