Problema Solution
A et takes 5 3/4 h to fly 2475 mi from New York city to Los Angeles. About how many hours will a jet flying from at the same average rate take to fly 5452 mi from Los Angeles to tokyo?
Answer provided by our tutors
5 3/4 = (5*4 + 3)/4 = 23/4
23/4 h for 2475 mi flight
the average rate of the jet is
v = 2475/(23/4)
v = 9900/23 mph
of the distance is 5452 mi and t = hours of the flight
v = 5452/t
9900/23 = 5452/t
by solving we find
t = 12.67 hr
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the 5452 mi flight from Los Angeles to Tokyo will be 12.67 hours long.