Roni and Willy had a 100m race. Roni covered the distance in 45 sees and Willy covered the distance in 36 secs. Willy beats Roni by how much distance?
Answer: 20m
Explanation
- Roni covers 100 meters in 45 seconds.
- Willy covers 100 meters in 36 seconds.
Roni's speed:
Speed of Roni=100 m / 45 s=20/9 m/sDistance Roni covers in 36 seconds:
Distance=Speed×Time=20/9×36=80 mSince Willy finishes the race (100 m) when Roni has only covered 80 m, Willy beats Roni by:
100−80= 20 m
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