Sue and Veronica cycle on a track around a square field in the directions shown by the arrows. Sue cycles one and a half times as fast as Veronica. The track is marked off into 8 equal sections. If Sue started from H and Veronica started from F, at which letter does Sue catch up with Veronica? Write the letter.
I thought of a number. I multiplied it by 4 and got A. I then added 22 to A and got B. I subtracted 60 from B and got C. I realised that C was the square root of 100. What number was I thinking of?