Asked by sally

a private jet flies the same distance in 6 hours that a commercial jet flies in 4 hours.if the speed of the commercial jet was 143 mph less than 2 times the speed of the private jet, find the speed of each jet
Answered by Reiny
speed of private jet --- x mph
speed of commercial jet --- 2x-143 mph

They both went the same distance, so ...
4(2x - 143) = 6x


solve for x
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