tag:blogger.com,1999:blog-5212539934133003492.post4089265004445623780..comments2023-08-28T23:00:52.674+08:00Comments on 6-8 2011: Speed!valeriehttp://www.blogger.com/profile/00046272576888706398noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5212539934133003492.post-83251744527413396222011-09-28T22:36:26.270+08:002011-09-28T22:36:26.270+08:00Could someone explain me to do this question? I...Could someone explain me to do this question? I'm having difficulty working out the steps.I wasn't able to get the answer.Anonymousnoreply@blogger.com