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Mathematics 7 Online
geerky42 (geerky42):

A highway patrol airplane flies 3 miles above a level, straigt road at a constant rate of 120 mph. The pilot sees an oncoming car and with radar determines that at the instant the line-of-sight distance from a plane to car is 5 miles the line-of-sight distance is decreasign at the rate of 160 mph. Find the car's speed along the highway.

geerky42 (geerky42):

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