A man travelled a distance of 80 km in 7 hrs partly on foot at the rate of 8 km/hr and partly on bicycle at 16 km/hr. the distance travelled on the foot is :
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Let the Journey on foot be x km
Journey on cycle = (80 – x) km
∴ x/8 + 80-x/16 = 7
=> x = 32km
Therefore, Distance covered on foot in 4 hrs = ( 4 x 8) = 32 km
Journey on cycle = (80 – x) km
∴ x/8 + 80-x/16 = 7
=> x = 32km
Therefore, Distance covered on foot in 4 hrs = ( 4 x 8) = 32 km
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