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A car traveled 1.00 hr at 60 km/hr and 0.30 hr at 40 km/hr. What was the car's average speed over the entire trip?

2007-12-05 08:25:04 · 1 answers · asked by Sarah P 1 in Science & Mathematics Physics

1 answers

total distance is
60+12 and the time is 1.3 hr
72/1.3

55.4 km/hr

j

2007-12-05 08:31:59 · answer #1 · answered by odu83 7 · 0 0

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