SOLUTION: A cargo plane left an airport at noon and flew toward New York at the average rate of 400 miles per hour. At 2 P.M. a passenger plane left the same airport for New York and flew th
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Question 1004443: A cargo plane left an airport at noon and flew toward New York at the average rate of 400 miles per hour. At 2 P.M. a passenger plane left the same airport for New York and flew the same route as the cargo plane at the average rate of 560 miles per hour. How many miles did the passenger plane fly before it overtook the cargo plane?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
when they meet the distance travveled by both is same
let that distance be x
cargo plane left at 12.00
speed = 400 mph
x/400 is the time taken by the cargo plane
x/t = 400
x=400t
Passenger jet left at 2.00
time time taken = t-2
speed = 560 mph
x/(t-2) = 560
x= 560(t-2)
400t=560(t-2)
400t = 560t-1120
160t = 1120
t = 7 hours
d=rt
d=400*7= 2800 miles
they flew 2800 miles
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