1. Una avioneta viaja a una velocidad media de 250 m/s. ¿Cuál será su velocidad, pero en
km/h?

i'd think it's paralell

this website is for anybody really not just for girls just saying, also while a lot of males are mean and you know there are the few who are kind and then there's the nice-guys but then theirs also guys like me who are shy we don't get out much because there are people like you who exist who would most likely punch a guy in the face so next time just think about things before you post them to a website where guys and girls can see your question.