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.
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