SOLUTION: Two planes leave Memphis at the same time. One heads south to New Orleans. The other heads north to Chicago. The Chicago plane flies 50mph faster than the New Orleans. In half an h

Question 880674: Two planes leave Memphis at the same time. One heads south to New Orleans. The other heads north to Chicago. The Chicago plane flies 50mph faster than the New Orleans. In half an hour the planes are 275 miles apart. What are their speeds.

Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!
r = speed of New Orleans plane.
r+50 = speed of Chicago plane.
Basic Rule, Uniform Rates of Travel: RT=D, rate, time, distance.

_______________speed_________time_________distance
N.O.___________r______________1/2_________r(1/2)
Chicg._________r+50___________1/2________(r+50)/2
Separation________________________________275

Resulting Equation: ;
Solve for r.
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