Question

If a plane flies 612 km per hour, approximately how many kilometres will it travel in 13 hours?

Answer 1

`612 (km)/(hr) * 13 = 7,956 (km)/(hr)`

Answer 2

`612km...........1h \\ x...................13h \\ \\ x=(612*13)/(1) \\ \\ \boxed{x=7956km}`