Answer :
3km/hr :)
3/x - 3/x+1 =15( in min so convert to hrs by dividing by 60)
this should be your equation
best?
3/x - 3/x+1 =15( in min so convert to hrs by dividing by 60)
this should be your equation
best?
3kmph. He was walking 3kmph so if he walked 1kmph faster it wold have taken him 15min less