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Two planes are flying from San Francisco to Chicago, a distance of 1,800 miles. They leave San Francisco at this same time period after 30 minutes, one plane has traveled 25 more miles than the other plane. How much longer will it take the slower plane to get to Chicago then the faster plane if the faster plane is traveling at 500 miles per hour

 Feb 8, 2020
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In one hour F travels 500 miles  while S only travels 450   (it was 25 mile behind at  1/2 hour...it will be 50 miles behind at one hour)

 

1800 miles / 450 m/hr     -    1800 miles / 500 m/hr  = ..........

 Feb 8, 2020

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