SOLUTION: At noon a cargo plane leaves McHare Airport and heads east at 180mph. Its destination is jamesville, 500 miles away. At 1:00pm a jet takes off from McHare and flies east after the

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: At noon a cargo plane leaves McHare Airport and heads east at 180mph. Its destination is jamesville, 500 miles away. At 1:00pm a jet takes off from McHare and flies east after the       Log On

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Question 486088: At noon a cargo plane leaves McHare Airport and heads east at 180mph. Its destination is jamesville, 500 miles away. At 1:00pm a jet takes off from McHare and flies east after the cargo plane at 450 mph. At what time will the jet overtake the cargo plane?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
450(n)=180(n+1)
450n=180n+180
450n-180n=180
270n=180
n=180/270=2/3 hour=40 minutes
The jet will overtake the cargo plane at 1:40 p.m..