Question

usha walked a distance of 350 km by car in3.6 km 15 min . what was her speed in km per hour​

Answer 1

Answer:

Distance walked by Usha =3.6km

Time taken =15minutes = 1/4 hour

Speed of Usha = time/distance​ = 3.6​/1/4 = 3.6x 4 = 14.4Km/hr

Step-by-step explanation:

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Answer 2

Given,

Speed = 3.6 km / 15 min

Multiply both Num & Den by 4

= (3.6 × 4) / (15 × 4)

= 14.4 km / 60 min

Or,

Speed = 14.4 kmph