1) 88 km/1 hour=500 km/?hours 2) Using cross multiplication, you can do: 88 * ? = 1 * 500 3) Then, simplify to: 88 * ? = 500 4) divide both sides by 88 (88/88 and 500/88) 5) You should now have ? = 500/88 6) Simplify: ? = 5.682 7) So, the answer is 5.682 hours.
Tim wrote a statistical question because he is trying to figure out how many books were read in total. Jenna just wanted to know what the first book on the list was.