Aston challenges his fater to a 100-m race. Aston asks to race again but wants to be given a head start. How much of a start should Aston's fater give him to make it a close race? Explain your answer.
Ah hah ! You said in there "race AGAIN". Tell us something about how the first race turned out, and we may have some information we can use to answer with. Right now we got nuttn.
