Answer-Reshma covers 45 km at a speed of 15 km/h by bicycle, 80 km at a speed of 40 km/h by car, and anothe...

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ATQ, we can say that Reshma covers first 45 km at the speed of 15 kmhr she covers next 80 km at the speed of 40 kmhr. she covers next 6 km at the speed of 2 kmhr Formula used Average speed  Total distanceTotal time Calculation Total distance covered  45  80  6  131 km Total time  4515  8040  62  3  2  3  8 hr  Average speed  1318 kmph  16.375 or 16.38kmhr

Reshma covers 45 km at a speed of 15 km/h by bicycle, 80 km at a speed of 40 km/h by car, and another 6 km at a speed of 2 km/h on foot. Find her average speed for the whole journey (correct to 2 decimal places).

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