#help-school
#5 marker
simple matrix
simple matrix
@everyone
onyx ledge
#help-school
In the half hour difference, Priya is 3 km ahead
In 50 minutes, Joe overtakes Priya, so his speed is 3/(5/6) km/hr faster
which simplifies to 3.6
So Joe's speed is 9.6 km/h, meaning he takes 16.8/9.6=1.75 hrs to finish
Btw, in the future, please don't try and ping everyone