SOLUTION: At 12-noon flight 237 leaves Chicago headed due south and traveling at a rate of r miles per hour. At 12-noon a second flight, flight 875, left Chicago from a different runway hea

Question 889594: At 12-noon flight 237 leaves Chicago headed due south and traveling at a rate of r miles per hour. At 12-noon a second flight, flight 875, left Chicago from a different runway headed due east and traveling 40 miles per hour slower than flight 237. At 3:00pm the planes are 600 miles apart. How fast is flight 237 traveling? i need to know how fast flight 237 is traveling.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
(3*r)^2+(3*(r-40))^2=600^2
r=160 flight 237
r-40=120 flight 875
check
(3*160)^2+(3*120)^2=600^2
230400+1296000=36000
ok
see also
http://www.algebra.com/algebra/homework/word/travel/Travel_Word_Problems.faq.question.860155.html
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