You all realised that you need to work backwards, or from the end of the question, to answer this problem. Thomas, Serge (10), Runi (9) and Sam (8) from Newberries Primary School all found the correct length of time that Asha and Kishan spent at the fair to be 5 hours. Sam explains how he worked this out:

Lucy aged 11 from St John's R. C. Primary School used a pie chart to calculate the answer:

Alice and Gwen, who are both 10, from The Downs C.E.P School represented their solution as a rectangle: