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ANSWER
Calculate the distance
3 hours at 50 kph
- [tex] \tt distance = speed \times time[/tex]
- [tex] \tt d = 50 \: kph \times 3 \: hours[/tex]
- [tex] \underline {\tt {d =150 \: kilometers }}[/tex]
1.5 hours at 60 mph
- [tex] \tt distance = speed \times time[/tex]
- [tex] \tt d = 60 \: mph \times 1.5 \: hours[/tex]
- [tex] \underline {\tt {d =90 \: miles }}[/tex]
2 hours at 60 kph
- [tex] \tt distance = speed \times time[/tex]
- [tex] \tt d =60 \: kph \times 2 \: hours[/tex]
- [tex] \underline {\tt {d =120\: kilometers }}[/tex]
4 hours at 70 kph
- [tex] \tt distance = speed \times time[/tex]
- [tex] \tt d = 70 \: kph \times 4 \: hours[/tex]
- [tex] \underline {\tt {d =280 \: kilometers }}[/tex]