Question

Mal is going for a walk. She walks at a constant speed for 20mins. She takes a break for 5 mins before turning around and walking back home she walks faster than she did before

Answer 1

Since the walks faster going back home , the slope will be steeper and is negative and it will take lesser time for her to get back that is, the time will be lesser than the initial 20 minutes she started with

Since she walked faster going back home, it will take her less than 20 minutes to go back home.

The total time for the journey should be

`\begin{gathered} 20+5+15=40\text{ minutes} \\ so\text{ she should take }\approx\text{ 15 minutes to get back home if she will not rest on the road going back} \end{gathered}`