It takes shweta 45 minutes tio walk 5 km. how long would it take her to cover 4 km at the same speed? how would she cover in 90 min? PLZZ EXPLAIN BRIEFLY N QUICKLY

distance = 5 km.

New distance = 4 km

Distance covered in 90 min = speed × time

 

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Time taken to cover 5km = 45 mins

Time taken to cover 1km = 455

  = 9mins

Time taken to cover 4km = 9 x 4

 = 36mins

Distance covered in 45mins = 5km

As 90mins = 45 x 2

Therefore, Distance covered in 90 mins = 5 x 2 ( As 90mins = 45 x 2 )

  = 10 km

ANSWER - Time taken to cover 4km = 36mins and distance covered in 90mins = 10km

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