Thread: Could anyone solve this problem?
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Old May 20th 09, 08:10 PM posted to rec.aviation.piloting
good grief
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Posts: 15
Default Could anyone solve this problem?
My stab at it.

100mph


t(x+20) = 450
t(x-20) = 300

450/(x+20) = 300/(x-20)

(x-20)/(x+20) = 300/450 = 2/3

3x-60 = 2x+40

x = 100

To check ----- 450 miles / 120 mph = 3.75 hours
300 miles / 80 mph = 3.75 hours