If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ?  Pick one.
A) 40 kms B) 30 kms C) 46 kms D) 32 kms E) 36 kms
Explanation:   Let the actual distance travelled be x km.   Then x/8=(x+20)/12   =&gt; 12x = 8x + 160   =&gt; 4x = 160   =&gt; x = 40 km.   40 kmsNSWER IS 40 kms
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If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ?