Two airplanes start a 1000-mile journey. One plane flies $50 \mathrm{mi} . / \mathrm{h}$ faster than the other plane and arrives an hour before it. What is the speed of each plane?

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The Answer of Two airplanes start a 1000-mile journey. One plane flies $50 \mathrm{mi} . / \mathrm{h}$ faster than the other plane and arrives an hour before it. What is the speed of each plane?

Two Airplanes Start a 1000-Mile Journey 50mi./h50 \mathrm{mi} . / \mathrm{h}50mi./h

Two Airplanes Start a 1000-Mile Journey $50 \mathrm{mi} . / \mathrm{h}$