Can someone help please?

Read posting guidelines and add what's missing in your post.
 
Loibanguti said:
See the attached picture
Click to expand...
There is an unstated assumption in this problem:

Both Helen and Gill are walking at same and constant pace.​

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:


Please share your work/thoughts about this problem
 
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