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brandon decided to hike in the mountains a total distance of 14.4 miles. he averages 2mph for the first part of the hike and 3 mph for the second part. if the total hike took 6 hours, how many hours did he hike the second part?

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ZRICK
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dannielle
x- the time with 2 mph
y- the time with 3 mph

x+       y=       6    | *-2
2*x+3*y = 14,4

-2x     -2y=  -12
2x      +3y=14,4
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/            y= 2,4    h in  the second part
             x= 6-2,4
              x= 3,6 h 

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