Question

contuarul kilometric al uneo masini inainte de calatorie arata:87423 km iar dupa calatorie arata:87555.calatoria a durat 1h si 30 min.calculeaza viteza medie

Answer 1

$V=\frac{d}{t}=\frac{87555km-87423km}{1h~30min}= \frac{132~km}{90~min}= \frac{264~km}{180~min}=\frac{264~km}{3~h}=88~km/h.$