Question

A girl covers a distance of 20 km in 2 hours. If he has traveled some distance at a speed of 5 km per hour and the remainin
g distance is cycled at a speed of 10 km per hour, find the distance traveled by him.​

Answer 1

Step-by-step explanation:

$Answer</p><p></p><p>Let the time he walks be x hours </p><p></p><p>From the given condition</p><p></p><p>3(x)+9(3−x)=15⟹6x=12⟹x=2</p><p></p><p>So the time he runs is 3−2=1 hour</p><p></p><p>Distance covered by running is 1×9=9 km</p><p></p><p>$