Mathematics, 08.07.2019 15:20 cgkiepe5759

The speed of the car was 45 mph. a driver noticed that while moving with this speed it took him 40 seconds to cross a bridge. on the way back crossing the same bridge, it took him 30 seconds. what was the speed of the car on the way back?

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The speed of the car was 45 mph. a driver noticed that while moving with this speed it took him 40 s...

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